Davis Cup semi-final: Canada vs. Serbia

Canada is one tie away from reaching the Davis Cup final, but they face

their stiffest challenge yet against Serbia in this weekend’s best of

five semifinal.

France's Jo-Wilfried Tsonga returns the ball to Canada's Denis Shapovalov during their 2017 US Open Men's Singles match at the USTA Billie Jean King National Tennis Center in New York on August 30, 2017. (AFP Photo/EDUARDO MUNOZ ALVAREZ)
Tennis - Tennis: Noah plumps for Tsonga, Pouille for Davis Cup semi against Serbia
France's Jo-Wilfried Tsonga returns the ball to Canada's Denis Shapovalov during their 2017 US Open Men's Singles match at the USTA Billie Jean King National Tennis Center in New York on August 30, 2017. (AFP Photo/EDUARDO MUNOZ ALVAREZ)
On your left, the Tennis Canada male doubles player of the year. On your right, the male player of the year, period.(AP Photo/ Marko Drobnjakovic)
Serbia Canada Davis Cup Tennis
On your left, the Tennis Canada male doubles player of the year. On your right, the male player of the year, period.(AP Photo/ Marko Drobnjakovic)
Canada fans react during the Davis Cup semifinal tennis match between Milos Raonic of Canada and Novak Djokovic of Serbia, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Serbia Canada Davis Cup Tennis
Canada fans react during the Davis Cup semifinal tennis match between Milos Raonic of Canada and Novak Djokovic of Serbia, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Serbia's Janko Tipsarevic returns a ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Marko Drobnjakovic)
Serbia's Janko Tipsarevic returns a ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Janko Tipsarevic returns a ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Marko Drobnjakovic)
Novak Djokovic of Serbia shouts with joy as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia shouts with joy as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013
Novak Djokovic of Serbia shouts with joy as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Canada's Vasek Pospisil, center back, is tended to by his teammates after his team had lost the Davis Cup semifinals to Serbia in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Vasek Pospisil, center back, is tended to by his teammates after his team had lost the Davis Cup semifinals to Serbia in Belgrade, Serbia, Sunday, Sept. 15, 2013
Canada's Vasek Pospisil, center back, is tended to by his teammates after his team had lost the Davis Cup semifinals to Serbia in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbian players celebrate Janko Tipsarevic 's victory after his Davis Cup semifinal tennis match against Vasek Pospisil of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Serbian players celebrate Janko Tipsarevic 's victory after his Davis Cup semifinal tennis match against Vasek Pospisil of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbian players celebrate Janko Tipsarevic 's victory after his Davis Cup semifinal tennis match against Vasek Pospisil of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Serbia's Janko Tipsarevic, 2nd left, and his teammates celebrate their victory against Canada's national tennis team at the Davis Cup semifinals in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Janko Tipsarevic, 2nd left, and his teammates celebrate their victory against Canada's national tennis team at the Davis Cup semifinals in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Janko Tipsarevic, 2nd left, and his teammates celebrate their victory against Canada's national tennis team at the Davis Cup semifinals in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Janko Tipsarevic falls to his knees as he celebrates his team's victory at the Davis Cup semifinal against Canada in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Marko Drobnjakovic)
Serbia's Janko Tipsarevic falls to his knees as he celebrates his team's victory at the Davis Cup semifinal against Canada in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Janko Tipsarevic falls to his knees as he celebrates his team's victory at the Davis Cup semifinal against Canada in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Marko Drobnjakovic)
Serbia's Janko Tipsarevic returns the ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Janko Tipsarevic returns the ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Janko Tipsarevic returns the ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Janko Tipsarevic clinches his fist as he celebrates a point won against Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Janko Tipsarevic clinches his fist as he celebrates a point won against Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Janko Tipsarevic clinches his fist as he celebrates a point won against Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Vasek Pospisil returns the ball to Serbia's Janko Tipsarevic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Vasek Pospisil returns the ball to Serbia's Janko Tipsarevic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Canada's Vasek Pospisil returns the ball to Serbia's Janko Tipsarevic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Janko Tipsarevic of Serbia celebrates a point won against Vasek Pospisil of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Janko Tipsarevic of Serbia celebrates a point won against Vasek Pospisil of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Janko Tipsarevic of Serbia celebrates a point won against Vasek Pospisil of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Janko Tipsarevic of Serbia reacts during their Davis Cup semifinal tennis match against Vasek Pospisil of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Janko Tipsarevic of Serbia reacts during their Davis Cup semifinal tennis match against Vasek Pospisil of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013
Janko Tipsarevic of Serbia reacts during their Davis Cup semifinal tennis match against Vasek Pospisil of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Janko Tipsarevic of Serbia returns a ball to Vasek Pospisil of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Janko Tipsarevic of Serbia returns a ball to Vasek Pospisil of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Janko Tipsarevic of Serbia returns a ball to Vasek Pospisil of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Janko Tipsarevic of Serbia returns a ball to Vasek Pospisil of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Janko Tipsarevic of Serbia returns a ball to Vasek Pospisil of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Janko Tipsarevic of Serbia returns a ball to Vasek Pospisil of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013
Novak Djokovic of Serbia celebrates as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Serbia's Novak Djokovic celebrates after having won a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic celebrates after having won a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Novak Djokovic celebrates after having won a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic celebrates after winning the Davis Cup semifinals tennis match against Canada's Milos Raonic in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic celebrates after winning the Davis Cup semifinals tennis match against Canada's Milos Raonic in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Novak Djokovic celebrates after winning the Davis Cup semifinals tennis match against Canada's Milos Raonic in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic lifts his hands in jubilation after winning the Davis Cup semifinals tennis match against Canada's Milos Raonic in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic lifts his hands in jubilation after winning the Davis Cup semifinals tennis match against Canada's Milos Raonic in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Novak Djokovic lifts his hands in jubilation after winning the Davis Cup semifinals tennis match against Canada's Milos Raonic in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Novak Djokovic of Serbia celebrates as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013
Novak Djokovic of Serbia celebrates as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013
Novak Djokovic of Serbia celebrates as he wins his Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates a point won against Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates a point won against Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Novak Djokovic of Serbia celebrates a point won against Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates a point won against Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates a point won against Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Novak Djokovic of Serbia celebrates a point won against Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Canada's Milos Raonic returns a ball to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Milos Raonic returns a ball to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Canada's Milos Raonic returns a ball to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic returns the ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic returns the ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Novak Djokovic returns the ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Novak Djokovic of Serbia returns a ball to Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia returns a ball to Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Novak Djokovic of Serbia returns a ball to Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Serbia's Novak Djokovic grimaces after losing a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic grimaces after losing a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Novak Djokovic grimaces after losing a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic races to return a ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic races to return a ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Novak Djokovic races to return a ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic celebrates after winning a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic celebrates after winning a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Serbia's Novak Djokovic celebrates after winning a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/ Marko Drobnjakovic)
Novak Djokovic of Serbia celebrates a point won against Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates a point won against Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013
Novak Djokovic of Serbia celebrates a point won against Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Sunday, Sept. 15, 2013. (AP Photo/Darko Vojinovic)
Canada's Vasek Pospisil, right, and partner Daniel Nestor celebrate winning a point against Serbia's Nenad Zimonjic and Ilija Bozoljac during their Davis Cup semifinals tennis doubles match in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil, right, and partner Daniel Nestor celebrate winning a point against Serbia's Nenad Zimonjic and Ilija Bozoljac during their Davis Cup semifinals tennis doubles match in Belgrade, Serbia, Saturday, Sept. 14, 2013
Canada's Vasek Pospisil, right, and partner Daniel Nestor celebrate winning a point against Serbia's Nenad Zimonjic and Ilija Bozoljac during their Davis Cup semifinals tennis doubles match in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil, right, returns a ball as Daniel Nestor follows the action during their Davis Cup semifinal tennis doubles match against Serbia's Nenad Zimonjic and Ilija Bozoljac in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil, right, returns a ball as Daniel Nestor follows the action during their Davis Cup semifinal tennis doubles match against Serbia's Nenad Zimonjic and Ilija Bozoljac in Belgrade, Serbia, Saturday, Sept. 14, 2013
Canada's Vasek Pospisil, right, returns a ball as Daniel Nestor follows the action during their Davis Cup semifinal tennis doubles match against Serbia's Nenad Zimonjic and Ilija Bozoljac in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil, right, returns a ball as partner Daniel Nestor follows the action during their Davis Cup semifinal tennis doubles match against Serbia's Nenad Zimonjic and Ilija Bozoljac in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil, right, returns a ball as partner Daniel Nestor follows the action during their Davis Cup semifinal tennis doubles match against Serbia's Nenad Zimonjic and Ilija Bozoljac in Belgrade, Serbia, Saturday, Sept. 14, 2013
Canada's Vasek Pospisil, right, returns a ball as partner Daniel Nestor follows the action during their Davis Cup semifinal tennis doubles match against Serbia's Nenad Zimonjic and Ilija Bozoljac in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Daniel Nestor, right, and Vasek Pospisil celebrate winning a set from Serbia's Nenad Zimonjic and Ilija Bozoljac during their Davis Cup semifinal tennis double match in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Daniel Nestor, right, and Vasek Pospisil celebrate winning a set from Serbia's Nenad Zimonjic and Ilija Bozoljac during their Davis Cup semifinal tennis double match in Belgrade, Serbia, Saturday, Sept. 14, 2013
Canada's Daniel Nestor, right, and Vasek Pospisil celebrate winning a set from Serbia's Nenad Zimonjic and Ilija Bozoljac during their Davis Cup semifinal tennis double match in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Ilija Bozoljac, left, returns a ball as partner Nenad Zimonjic follows the action during their Davis Cup semifinal tennis doubles match against Canada's Daniel Nestor and Vasek Pospisil in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/Marko Drobnjakovic)
Serbia's Ilija Bozoljac, left, returns a ball as partner Nenad Zimonjic follows the action during their Davis Cup semifinal tennis doubles match against Canada's Daniel Nestor and Vasek Pospisil in Belgrade, Serbia, Saturday, Sept. 14, 2013
Serbia's Ilija Bozoljac, left, returns a ball as partner Nenad Zimonjic follows the action during their Davis Cup semifinal tennis doubles match against Canada's Daniel Nestor and Vasek Pospisil in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Daniel Nestor, left, and Vasek Pospisil talk during their Davis Cup semifinals tennis doubles match against Serbia's Nenad Zimonjic and Ilija Bozoljac in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Daniel Nestor, left, and Vasek Pospisil talk during their Davis Cup semifinals tennis doubles match against Serbia's Nenad Zimonjic and Ilija Bozoljac in Belgrade, Serbia, Saturday, Sept. 14, 2013
Canada's Daniel Nestor, left, and Vasek Pospisil talk during their Davis Cup semifinals tennis doubles match against Serbia's Nenad Zimonjic and Ilija Bozoljac in Belgrade, Serbia, Saturday, Sept. 14, 2013. (AP Photo/ Marko Drobnjakovic)
Milos Raonic of Canada celebrates after their Davis Cup semifinal tennis match against Janko Tipsarevic of Serbia, in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Milos Raonic of Canada celebrates after their Davis Cup semifinal tennis match against Janko Tipsarevic of Serbia, in Belgrade, Serbia, Friday, Sept. 13, 2013
Milos Raonic of Canada celebrates after their Davis Cup semifinal tennis match against Janko Tipsarevic of Serbia, in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Canada's Milos Raonic screams with joy as he wins his Davis Cup semifinals tennis match against Serbia's Janko Tipsarevic in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Milos Raonic screams with joy as he wins his Davis Cup semifinals tennis match against Serbia's Janko Tipsarevic in Belgrade, Serbia, Friday, Sept. 13, 2013
Canada's Milos Raonic screams with joy as he wins his Davis Cup semifinals tennis match against Serbia's Janko Tipsarevic in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Milos Raonic screams with joy as he wins his Davis Cup semifinals tennis match against Serbia's Janko Tipsarevic in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Milos Raonic screams with joy as he wins his Davis Cup semifinals tennis match against Serbia's Janko Tipsarevic in Belgrade, Serbia, Friday, Sept. 13, 2013
Canada's Milos Raonic screams with joy as he wins his Davis Cup semifinals tennis match against Serbia's Janko Tipsarevic in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Milos Raonic of Canada returns a ball to Janko Tipsarevic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Milos Raonic of Canada returns a ball to Janko Tipsarevic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Milos Raonic of Canada returns a ball to Janko Tipsarevic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Serbia's Janko Tipsarevic returns the ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Janko Tipsarevic returns the ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Serbia's Janko Tipsarevic returns the ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Janko Tipsarevic clinches his fist as he celebrates winning a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Janko Tipsarevic clinches his fist as he celebrates winning a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Serbia's Janko Tipsarevic clinches his fist as he celebrates winning a point against Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Janko Tipsarevic of Serbia returns a ball to Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Janko Tipsarevic of Serbia returns a ball to Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Janko Tipsarevic of Serbia returns a ball to Milos Raonic of Canada during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Canada's Milos Raonic returns the ball to Serbia's Janko Tipsarevic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Canada's Milos Raonic returns the ball to Serbia's Janko Tipsarevic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Canada's Milos Raonic returns the ball to Serbia's Janko Tipsarevic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Milos Raonic of Canada returns a ball to Janko Tipsarevic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Milos Raonic of Canada returns a ball to Janko Tipsarevic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Milos Raonic of Canada returns a ball to Janko Tipsarevic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Serbia's Janko Tipsarevic returns the ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Janko Tipsarevic returns the ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Serbia's Janko Tipsarevic returns the ball to Canada's Milos Raonic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Janko Tipsarevic of Serbia reacts to a winning point during their Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Janko Tipsarevic of Serbia reacts to a winning point during their Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Friday, Sept. 13, 2013
Janko Tipsarevic of Serbia reacts to a winning point during their Davis Cup semifinal tennis match against Milos Raonic of Canada, in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Milos Raonic of Canada serves during the Davis Cup semifinal tennis match against Janko Tipsarevic of Serbia, in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Milos Raonic of Canada serves during the Davis Cup semifinal tennis match against Janko Tipsarevic of Serbia, in Belgrade, Serbia, Friday, Sept. 13, 2013
Milos Raonic of Canada serves during the Davis Cup semifinal tennis match against Janko Tipsarevic of Serbia, in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Milos Raonic of Canada returns a ball to Janko Tipsarevic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Milos Raonic of Canada returns a ball to Janko Tipsarevic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Milos Raonic of Canada returns a ball to Janko Tipsarevic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Serbia's Novak Djokovic gets ready to serve a ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Serbia's Novak Djokovic gets ready to serve a ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Serbia's Novak Djokovic gets ready to serve a ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/ Marko Drobnjakovic)
Novak Djokovic of Serbia serves during their Davis Cup semifinal tennis match against Vasek Pospisil of Canada in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia serves during their Davis Cup semifinal tennis match against Vasek Pospisil of Canada in Belgrade, Serbia, Friday, Sept. 13, 2013
Novak Djokovic of Serbia serves during their Davis Cup semifinal tennis match against Vasek Pospisil of Canada in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates after his Davis Cup semifinal tennis match against Vasek Pospisil of Canada in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia celebrates after his Davis Cup semifinal tennis match against Vasek Pospisil of Canada in Belgrade, Serbia, Friday, Sept. 13, 2013
Novak Djokovic of Serbia celebrates after his Davis Cup semifinal tennis match against Vasek Pospisil of Canada in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Serbia's Novak Djokovic clinches his fist as he celebrates a point won against Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Serbia's Novak Djokovic clinches his fist as he celebrates a point won against Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Serbia's Novak Djokovic clinches his fist as he celebrates a point won against Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil sticks his tongue out after losing a point to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil sticks his tongue out after losing a point to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Canada's Vasek Pospisil sticks his tongue out after losing a point to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil returns the ball to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil returns the ball to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Canada's Vasek Pospisil returns the ball to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil returns the ball to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Canada's Vasek Pospisil returns the ball to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Canada's Vasek Pospisil returns the ball to Serbia's Novak Djokovic during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Serbia's Novak Djokovic fails to return the ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Serbia's Novak Djokovic fails to return the ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Serbia's Novak Djokovic fails to return the ball to Canada's Vasek Pospisil during their Davis Cup semifinals tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Marko Drobnjakovic)
Canada fans react during the Davis Cup semifinal tennis match between Novak Djokovic of Serbia and Vasek Pospisil of Canada, in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Canada fans react during the Davis Cup semifinal tennis match between Novak Djokovic of Serbia and Vasek Pospisil of Canada, in Belgrade, Serbia, Friday, Sept. 13, 2013
Canada fans react during the Davis Cup semifinal tennis match between Novak Djokovic of Serbia and Vasek Pospisil of Canada, in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Vasek Pospisil of Canada returns a ball to Novak Djokovic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Vasek Pospisil of Canada returns a ball to Novak Djokovic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013
Vasek Pospisil of Canada returns a ball to Novak Djokovic of Serbia during their Davis Cup semifinal tennis match in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia reacts during their Davis Cup semifinal tennis match against Vasek Pospisil of Canada in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Novak Djokovic of Serbia reacts during their Davis Cup semifinal tennis match against Vasek Pospisil of Canada in Belgrade, Serbia, Friday, Sept. 13, 2013
Novak Djokovic of Serbia reacts during their Davis Cup semifinal tennis match against Vasek Pospisil of Canada in Belgrade, Serbia, Friday, Sept. 13, 2013. (AP Photo/Darko Vojinovic)
Canada's Frank Dancevic, left, and Vasek Pospisil talk during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Canada will face Serbia in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Canada's Frank Dancevic, left, and Vasek Pospisil talk during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Canada will face Serbia in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade
Canada's Frank Dancevic, left, and Vasek Pospisil talk during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Canada will face Serbia in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Janko Tipsarevic of Serbia, left, and Vasek Pospisil of Canada pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia and Canada will face each other in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Janko Tipsarevic of Serbia, left, and Vasek Pospisil of Canada pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia and Canada will face each other in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade
Janko Tipsarevic of Serbia, left, and Vasek Pospisil of Canada pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia and Canada will face each other in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Members of the Canadian national tennis team, from left to right, Martin Laurendeau, Milos Raonic, Vasek Pospisil, Frank Dancevic and Daniel Nestor, pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Members of the Canadian national tennis team, from left to right, Martin Laurendeau, Milos Raonic, Vasek Pospisil, Frank Dancevic and Daniel Nestor, pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade
Members of the Canadian national tennis team, from left to right, Martin Laurendeau, Milos Raonic, Vasek Pospisil, Frank Dancevic and Daniel Nestor, pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Novak Djokovic of Serbia, left, and Vasek Pospisil of Canada pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Novak Djokovic of Serbia, left, and Vasek Pospisil of Canada pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade
Novak Djokovic of Serbia, left, and Vasek Pospisil of Canada pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Novak Djokovic of Serbia, left, and Milos Raonic of Canada pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Novak Djokovic of Serbia, left, and Milos Raonic of Canada pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade
Novak Djokovic of Serbia, left, and Milos Raonic of Canada pose for a photograph during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Members of the Serbian national tennis team, Janko Tipsarevic, left, Novak Djokovic, center, and Bogdan Obradovic, share a laugh during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
Members of the Serbian national tennis team, Janko Tipsarevic, left, Novak Djokovic, center, and Bogdan Obradovic, share a laugh during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade
Members of the Serbian national tennis team, Janko Tipsarevic, left, Novak Djokovic, center, and Bogdan Obradovic, share a laugh during the Davis Cup semifinals draw ceremony in Belgrade, Serbia, Thursday, Sept. 12, 2013. Serbia will face Canada in the 2013 Davis Cup semifinal that starts on Friday, Sept. 13 in Belgrade. (AP Photo/ Marko Drobnjakovic)
From L-R: Canada's tennis team, coach Martin Laurendeau, Milos Raonic, Vasek Pospisil, Frank Dancevic and Daniel Nestor pose for a picture after the draw for the Davis Cup semi-finals in Belgrade September 12, 2013. Canada will face Serbia in the Davis Cup semi-final match on Friday. REUTERS/Marko Djurica (SERBIA - Tags: SPORT TENNIS)
Canada's tennis team, coach Laurendeau, Raonic, Pospisil, Dancevic and Nestor pose for picture after draw for Davis Cup semi-finals in Belgrade
From L-R: Canada's tennis team, coach Martin Laurendeau, Milos Raonic, Vasek Pospisil, Frank Dancevic and Daniel Nestor pose for a picture after the draw for the Davis Cup semi-finals in Belgrade September 12, 2013. Canada will face Serbia in the Davis Cup semi-final match on Friday. REUTERS/Marko Djurica (SERBIA - Tags: SPORT TENNIS)
Serbia's Novak Djokovic (L) and Canada's Vasek Pospisil shake hands after the draw for the Davis Cup semi-finals in Belgrade September 12, 2013. Serbia will face Canada in the Davis Cup semi-final match on Friday. REUTERS/Marko Djurica (SERBIA - Tags: SPORT TENNIS)
Serbia's Djokovic and Canada's Pospisil shake hands after draw for Davis Cup semi-finals in Belgrade
Serbia's Novak Djokovic (L) and Canada's Vasek Pospisil shake hands after the draw for the Davis Cup semi-finals in Belgrade September 12, 2013. Serbia will face Canada in the Davis Cup semi-final match on Friday. REUTERS/Marko Djurica (SERBIA - Tags: SPORT TENNIS)
Canada Davis Cup team members, from left, Frank Dancevic, Milos Raonic, team captain Martin Laurendeau, Daniel Nestor, and Vasek Pospisil pose after a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play Serbia in the Davis Cup semifinal starting on Sept. 13 in Belgrade. (AP Photo/Darko Vojinovic)
Canada Davis Cup team members, from left, Frank Dancevic, Milos Raonic, team captain Martin Laurendeau, Daniel Nestor, and Vasek Pospisil pose after a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play Serbia in the Davis Cup semifinal starting on Sept. 13 in Belgrade
Canada Davis Cup team members, from left, Frank Dancevic, Milos Raonic, team captain Martin Laurendeau, Daniel Nestor, and Vasek Pospisil pose after a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play Serbia in the Davis Cup semifinal starting on Sept. 13 in Belgrade. (AP Photo/Darko Vojinovic)
Canada Davis Cup team captain Martin Laurendeau listens to a question during a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play against Serbia for the Davis Cup semifinals starting on Sept. 13 in Belgrade. (AP Photo/Darko Vojinovic)
Serbia Canada Davis Cup Tennis
Canada Davis Cup team captain Martin Laurendeau listens to a question during a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play against Serbia for the Davis Cup semifinals starting on Sept. 13 in Belgrade. (AP Photo/Darko Vojinovic)
Canada Davis Cup team captain Martin Laurendeau listens to a question during a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play against Serbia for the Davis Cup semifinals starting on Sept. 13 in Belgrade. (AP Photo/Darko Vojinovic)
Canada Davis Cup team captain Martin Laurendeau listens to a question during a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play against Serbia for the Davis Cup semifinals starting on Sept. 13 in Belgrade
Canada Davis Cup team captain Martin Laurendeau listens to a question during a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play against Serbia for the Davis Cup semifinals starting on Sept. 13 in Belgrade. (AP Photo/Darko Vojinovic)
Canada Davis Cup team player Milos Raonic smiles during a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play Serbia in the Davis Cup semifinal starting on Sept. 13 in Belgrade. (AP Photo/Darko Vojinovic)
Canada Davis Cup team player Milos Raonic smiles during a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play Serbia in the Davis Cup semifinal starting on Sept. 13 in Belgrade
Canada Davis Cup team player Milos Raonic smiles during a press conference in Belgrade, Serbia, Wednesday, Sept. 11, 2013. Canada will play Serbia in the Davis Cup semifinal starting on Sept. 13 in Belgrade. (AP Photo/Darko Vojinovic)

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