Roger Federer

One of the greatest tennis players of all time will represent Switzerland at the London Games.

Tennis - ATP 500 - Rotterdam Open - Quarterfinal - Ahoy, Rotterdam, Netherlands - February 16, 2018 Roger Federer of Switzerland in action against Robin Haase of the Netherlands. REUTERS/Michael Kooren
Tennis - ATP 500 - Rotterdam Open
Tennis - ATP 500 - Rotterdam Open - Quarterfinal - Ahoy, Rotterdam, Netherlands - February 16, 2018 Roger Federer of Switzerland in action against Robin Haase of the Netherlands. REUTERS/Michael Kooren
FILE PHOTO: Tennis - Wimbledon - London, Britain - July 16, 2017 Switzerland’s Roger Federer poses with the trophy as he celebrates winning the 2017 final against Croatia’s Marin Cilic REUTERS/Daniel Leal-Olivas/File Photo
FILE PHOTO: Wimbledon
FILE PHOTO: Tennis - Wimbledon - London, Britain - July 16, 2017 Switzerland’s Roger Federer poses with the trophy as he celebrates winning the 2017 final against Croatia’s Marin Cilic REUTERS/Daniel Leal-Olivas/File Photo
FILE PHOTO: Tennis - Wimbledon - London, Britain - July 16, 2017 Switzerland’s Roger Federer poses with the trophy as he celebrates winning the 2017 final against Croatia’s Marin Cilic REUTERS/Daniel Leal-Olivas/File Photo
FILE PHOTO: Wimbledon
FILE PHOTO: Tennis - Wimbledon - London, Britain - July 16, 2017 Switzerland’s Roger Federer poses with the trophy as he celebrates winning the 2017 final against Croatia’s Marin Cilic REUTERS/Daniel Leal-Olivas/File Photo
FILE PHOTO: Tennis - Wimbledon - London, Britain - July 16, 2017 Switzerland’s Roger Federer poses with the trophy as he celebrates winning the 2017 final against Croatia’s Marin Cilic REUTERS/Daniel Leal-Olivas/File Photo
FILE PHOTO: Wimbledon
FILE PHOTO: Tennis - Wimbledon - London, Britain - July 16, 2017 Switzerland’s Roger Federer poses with the trophy as he celebrates winning the 2017 final against Croatia’s Marin Cilic REUTERS/Daniel Leal-Olivas/File Photo
FILE PHOTO: Tennis - Wimbledon - London, Britain - July 16, 2017 Switzerland’s Roger Federer poses with the trophy as he celebrates winning the 2017 final against Croatia’s Marin Cilic REUTERS/Daniel Leal-Olivas/File Photo
FILE PHOTO: Wimbledon
FILE PHOTO: Tennis - Wimbledon - London, Britain - July 16, 2017 Switzerland’s Roger Federer poses with the trophy as he celebrates winning the 2017 final against Croatia’s Marin Cilic REUTERS/Daniel Leal-Olivas/File Photo
FILE - In this Sunday, April 8, 2018 file photo Spain's Rafael Nadal reacts after defeating Germany's Alexander Zverev 6-1, 6-4, 6-4 during a World Group Quarter final Davis Cup tennis match between Spain and Germany at the bullring in Valencia, Spain. For now, Nadal doesn’t see himself skipping Wimbledon the way Roger Federer has the French Open. The two veterans are back at the top of world tennis, with Nadal needing to win this week’s Monte Carlo Masters to avoid losing his top ranking once again to Federer in their seemingly eternal battle for tennis supremacy. (AP Photo/Alberto Saiz, File)
FILE - In this Sunday, April 8, 2018 file photo Spain's Rafael Nadal reacts after defeating Germany's Alexander Zverev 6-1, 6-4, 6-4 during a World Group Quarter final Davis Cup tennis match between Spain and Germany at the bullring in Valencia, Spain. For now, Nadal doesn’t see himself skipping Wimbledon the way Roger Federer has the French Open. The two veterans are back at the top of world tennis, with Nadal needing to win this week’s Monte Carlo Masters to avoid losing his top ranking once again to Federer in their seemingly eternal battle for tennis supremacy. (AP Photo/Alberto Saiz, File)
FILE - In this Sunday, April 8, 2018 file photo Spain's Rafael Nadal reacts after defeating Germany's Alexander Zverev 6-1, 6-4, 6-4 during a World Group Quarter final Davis Cup tennis match between Spain and Germany at the bullring in Valencia, Spain. For now, Nadal doesn’t see himself skipping Wimbledon the way Roger Federer has the French Open. The two veterans are back at the top of world tennis, with Nadal needing to win this week’s Monte Carlo Masters to avoid losing his top ranking once again to Federer in their seemingly eternal battle for tennis supremacy. (AP Photo/Alberto Saiz, File)
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reaches for a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reaches for a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a backhand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a backhand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia hits a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia hits a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reaches for a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reaches for a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia hits a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia hits a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reaches for a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reaches for a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a backhand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a backhand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a backhand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a backhand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Mandatory Credit: Geoff Burke-USA TODAY Sports
Roger Federer, of Switzerland, wipes his face during his match against Thanasi Kokkinakis, of Australia, at the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, wipes his face during his match against Thanasi Kokkinakis, of Australia, at the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, wipes his face during his match against Thanasi Kokkinakis, of Australia, at the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, celebrates after defeating Roger Federer, of Switzerland, in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Thanasi Kokkinakis, of Australia, celebrates after defeating Roger Federer, of Switzerland, in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Thanasi Kokkinakis, of Australia, celebrates after defeating Roger Federer, of Switzerland, in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland smiles after a point against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland smiles after a point against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland apes his face between points against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland apes his face between points against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia serves against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia serves against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reaches for a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reaches for a backhand against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a backhand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a backhand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reacts after his match against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia reacts after his match against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Fans hold a banner in the stands between games during the match between Thanasi Kokkinakis of Australia and Roger Federer of Switzerland (both not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Fans hold a banner in the stands between games during the match between Thanasi Kokkinakis of Australia and Roger Federer of Switzerland (both not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia celebrates after match point against Roger Federer of Switzerland (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland waves to the crowd while leaving the court after his match against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Tennis: Miami Open
Mar 24, 2018; Key Biscayne, FL, USA; Roger Federer of Switzerland hits a forehand against Thanasi Kokkinakis of Australia (not pictured) on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
Roger Federer, of Switzerland, waves to the crowd after Thanasi Kokkinakis, of Australia, defeated him in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Roger Federer, of Switzerland, waves to the crowd after Thanasi Kokkinakis, of Australia, defeated him in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Roger Federer, of Switzerland, waves to the crowd after Thanasi Kokkinakis, of Australia, defeated him in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Thanasi Kokkinakis, of Australia, reacts after defeating Roger Federer, of Switzerland, in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Thanasi Kokkinakis, of Australia, reacts after defeating Roger Federer, of Switzerland, in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Thanasi Kokkinakis, of Australia, reacts after defeating Roger Federer, of Switzerland, in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Thanasi Kokkinakis, of Australia, celebrates after defeating Roger Federer, of Switzerland, in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Thanasi Kokkinakis, of Australia, celebrates after defeating Roger Federer, of Switzerland, in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Thanasi Kokkinakis, of Australia, celebrates after defeating Roger Federer, of Switzerland, in a tennis match at the Miami Open, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
File photo: Roger Federer of Switzerland at the U.S. Open Championships tennis tournament in New York, September 13, 2015. REUTERS/Eduardo Munoz
File photo: Federer of Switzerland at the U.S. Open Championships tennis tournament in New York
File photo: Roger Federer of Switzerland at the U.S. Open Championships tennis tournament in New York, September 13, 2015. REUTERS/Eduardo Munoz
Thanasi Kokkinakis, of Australia, serves to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, serves to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, serves to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, returns to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, returns to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, returns to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, reacts after getting a break point against Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, reacts after getting a break point against Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, reacts after getting a break point against Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, walks to his chair during his match against Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, walks to his chair during his match against Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, walks to his chair during his match against Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, pauses on the court during his match against Thanasi Kokkinakis, of Australia, at the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, pauses on the court during his match against Thanasi Kokkinakis, of Australia, at the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, pauses on the court during his match against Thanasi Kokkinakis, of Australia, at the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, serves to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, serves to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, serves to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, returns to Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, returns to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla.(AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, returns to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla.(AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, returns to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla.(AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, returns to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, returns to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Thanasi Kokkinakis, of Australia, returns to Roger Federer, of Switzerland, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, goes to the net against Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, goes to the net against Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, of Switzerland, goes to the net against Thanasi Kokkinakis, of Australia, during the Miami Open tennis tournament, Saturday, March 24, 2018, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roger Federer, left, and Rod Laver pose for a portrait in silhouette after a promotional news conference for the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer, left, and Rod Laver pose for a portrait in silhouette after a promotional news conference for the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer, left, and Rod Laver pose for a portrait in silhouette after a promotional news conference for the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer watches a highlight video from the 2017 Laver Cup during a promotional news conference for the 2018 tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer watches a highlight video from the 2017 Laver Cup during a promotional news conference for the 2018 tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer watches a highlight video from the 2017 Laver Cup during a promotional news conference for the 2018 tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer, left, and Rod Laver pose for a portrait in silhouette after a promotional news conference for The Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer, left, and Rod Laver pose for a portrait in silhouette after a promotional news conference for The Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer, left, and Rod Laver pose for a portrait in silhouette after a promotional news conference for The Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Rod Laver, second from left, responds to a question while promoting The Laver Cup tennis tournament with John McEnroe, left, Roger Federer and Nick Kyrgios, right, Monday, March 19, 2018, in Chicago. (AP Photo/Charles Rex Arbogast)
Rod Laver, second from left, responds to a question while promoting The Laver Cup tennis tournament with John McEnroe, left, Roger Federer and Nick Kyrgios, right, Monday, March 19, 2018, in Chicago. (AP Photo/Charles Rex Arbogast)
Rod Laver, second from left, responds to a question while promoting The Laver Cup tennis tournament with John McEnroe, left, Roger Federer and Nick Kyrgios, right, Monday, March 19, 2018, in Chicago. (AP Photo/Charles Rex Arbogast)
Roger Federer poses for a selfie after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer poses for a selfie after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer poses for a selfie after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
John McEnroe, left, responds to a question while promoting the Laver Cup tennis tournament with Rod Laver, second from left, Roger Federer and Nick Kyrgios Monday, March 19, 2018, in Chicago. (AP Photo/Charles Rex Arbogast)
John McEnroe, left, responds to a question while promoting the Laver Cup tennis tournament with Rod Laver, second from left, Roger Federer and Nick Kyrgios Monday, March 19, 2018, in Chicago. (AP Photo/Charles Rex Arbogast)
John McEnroe, left, responds to a question while promoting the Laver Cup tennis tournament with Rod Laver, second from left, Roger Federer and Nick Kyrgios Monday, March 19, 2018, in Chicago. (AP Photo/Charles Rex Arbogast)
Roger Federer, left, and Nick Kyrgios watch a highlight video from the 2017 Laver Cup during a promotional news conference for the tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer, left, and Nick Kyrgios watch a highlight video from the 2017 Laver Cup during a promotional news conference for the tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer, left, and Nick Kyrgios watch a highlight video from the 2017 Laver Cup during a promotional news conference for the tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer, second from right, responds to a question while promoting the Laver Cup tennis tournament with from left, John McEnroe, Rod Laver and Nick Kyrgios Monday, March 19, 2018, in Chicago. (AP Photo/Charles Rex Arbogast)
Roger Federer, second from right, responds to a question while promoting the Laver Cup tennis tournament with from left, John McEnroe, Rod Laver and Nick Kyrgios Monday, March 19, 2018, in Chicago. (AP Photo/Charles Rex Arbogast)
Roger Federer, second from right, responds to a question while promoting the Laver Cup tennis tournament with from left, John McEnroe, Rod Laver and Nick Kyrgios Monday, March 19, 2018, in Chicago. (AP Photo/Charles Rex Arbogast)
Rod Laver, left, and John McEnroe, center, take a photo and selfie next to Anish Kapoor's reflective sculpture Cloud Gate, in Chicago's Millennium Park as Roger Federer looks at the piece of art after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Rod Laver, left, and John McEnroe, center, take a photo and selfie next to Anish Kapoor's reflective sculpture Cloud Gate, in Chicago's Millennium Park as Roger Federer looks at the piece of art after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Rod Laver, left, and John McEnroe, center, take a photo and selfie next to Anish Kapoor's reflective sculpture Cloud Gate, in Chicago's Millennium Park as Roger Federer looks at the piece of art after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer takes a selfie next to Anish Kapoor's silver reflective sculpture Cloud Gate, in Chicago's Millennium Park after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer takes a selfie next to Anish Kapoor's silver reflective sculpture Cloud Gate, in Chicago's Millennium Park after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer takes a selfie next to Anish Kapoor's silver reflective sculpture Cloud Gate, in Chicago's Millennium Park after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Roger Federer checks a photo he took next to Anish Kapoor's silver reflective sculpture Cloud Gate in Chicago's Millennium Park after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September.(AP Photo/Charles Rex Arbogast)
Roger Federer checks a photo he took next to Anish Kapoor's silver reflective sculpture Cloud Gate in Chicago's Millennium Park after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September.(AP Photo/Charles Rex Arbogast)
Roger Federer checks a photo he took next to Anish Kapoor's silver reflective sculpture Cloud Gate in Chicago's Millennium Park after promoting the Laver Cup tennis tournament Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September.(AP Photo/Charles Rex Arbogast)
Nick Kyrgios, left, and Roger Federer promote the Laver Cup tennis tournament next to Anish Kapoor's silver sculpture Cloud Gate in Chicago's Millennium Park, Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Nick Kyrgios, left, and Roger Federer promote the Laver Cup tennis tournament next to Anish Kapoor's silver sculpture Cloud Gate in Chicago's Millennium Park, Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Nick Kyrgios, left, and Roger Federer promote the Laver Cup tennis tournament next to Anish Kapoor's silver sculpture Cloud Gate in Chicago's Millennium Park, Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Nick Kyrgios, left, and Roger Federer, right, promote the Laver Cup tennis tournament next to Anish Kapoor's silver sculpture Cloud Gate in Chicago's Millennium Park, Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. Watching, from from bacl left to right, are: Mayor Rahm Emanuel, John McEnroe and Rod Laver. (AP Photo/Charles Rex Arbogast)
Nick Kyrgios, left, and Roger Federer, right, promote the Laver Cup tennis tournament next to Anish Kapoor's silver sculpture Cloud Gate in Chicago's Millennium Park, Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. Watching, from from bacl left to right, are: Mayor Rahm Emanuel, John McEnroe and Rod Laver. (AP Photo/Charles Rex Arbogast)
Nick Kyrgios, left, and Roger Federer, right, promote the Laver Cup tennis tournament next to Anish Kapoor's silver sculpture Cloud Gate in Chicago's Millennium Park, Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. Watching, from from bacl left to right, are: Mayor Rahm Emanuel, John McEnroe and Rod Laver. (AP Photo/Charles Rex Arbogast)
Nick Kyrgios, left, and Roger Federer promote the Laver Cup tennis tournament next to Anish Kapoor's silver sculpture Cloud Gate in Chicago's Millennium Park, Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Nick Kyrgios, left, and Roger Federer promote the Laver Cup tennis tournament next to Anish Kapoor's silver sculpture Cloud Gate in Chicago's Millennium Park, Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Nick Kyrgios, left, and Roger Federer promote the Laver Cup tennis tournament next to Anish Kapoor's silver sculpture Cloud Gate in Chicago's Millennium Park, Monday, March 19, 2018, in Chicago. The international tennis tournament will come to Chicago in September. (AP Photo/Charles Rex Arbogast)
Juan Martin Del Potro holds the championship trophy after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-FInals
Juan Martin Del Potro holds the championship trophy after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro celebrates after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-FInals
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro celebrates after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro hits against Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-FInals
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro hits against Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro poises with the championship trophy after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-FInals
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro poises with the championship trophy after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Jayne Kamin-Oncea-USA TODAY Sports
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro celebrates after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-FInals
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro celebrates after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro poises with the championship trophy after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-FInals
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro poises with the championship trophy after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro holds the championship trophy after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-FInals
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro holds the championship trophy after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Mar 17, 2018; Indian Wells, CA, USA; Roger Federer (SUI) as he defeated Borna Coric (not pictured) during his semifinal match in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-Day 13
Mar 17, 2018; Indian Wells, CA, USA; Roger Federer (SUI) as he defeated Borna Coric (not pictured) during his semifinal match in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Mar 18, 2018; Indian Wells, CA, USA; Roger Federer (SUI) during the Men's Final match against Juan Martin Del Potro (not pictured) in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-FInals
Mar 18, 2018; Indian Wells, CA, USA; Roger Federer (SUI) during the Men's Final match against Juan Martin Del Potro (not pictured) in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro celebrates after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-FInals
Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro celebrates after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Mar 17, 2018; Indian Wells, CA, USA; Roger Federer (SUI) as he defeated Borna Coric (not pictured) during his semifinal match in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Tennis: BNP Paribas Open-Day 13
Mar 17, 2018; Indian Wells, CA, USA; Roger Federer (SUI) as he defeated Borna Coric (not pictured) during his semifinal match in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Juan Martin del Potro, of Argentina, poses with his trophy after defeating Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, poses with his trophy after defeating Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, poses with his trophy after defeating Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, poses with his trophy after defeating Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, poses with his trophy after defeating Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, poses with his trophy after defeating Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Roger Federer, of Switzerland, reacts to losing a point to Juan Martin del Potro, of Argentina, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Roger Federer, of Switzerland, reacts to losing a point to Juan Martin del Potro, of Argentina, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Roger Federer, of Switzerland, reacts to losing a point to Juan Martin del Potro, of Argentina, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, hits a backhand to Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, hits a backhand to Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, hits a backhand to Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Roger Federer, of Switzerland, returns a shot to Juan Martin del Potro, of Argentina,during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Roger Federer, of Switzerland, returns a shot to Juan Martin del Potro, of Argentina,during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Roger Federer, of Switzerland, returns a shot to Juan Martin del Potro, of Argentina,during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, runs down a shot from Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, runs down a shot from Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, runs down a shot from Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, holds up his trophy after defeating Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, holds up his trophy after defeating Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)
Juan Martin del Potro, of Argentina, holds up his trophy after defeating Roger Federer, of Switzerland, during the men's final at the BNP Paribas Open tennis tournament, Sunday, March 18, 2018, in Indian Wells, Calif. Del Potro won 6-4, 6-7 (8), 7-6 (2). (AP Photo/Mark J. Terrill)

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