Djokovic wins Sony Ericsson Open

World number one Novak Djokovic defeated Britain's Andy Murray 6-1 7-6 to win the Sony Ericsson Open for the second consecutive year on Apr.1.

Novak Djokovic, foreground, of Serbia, serves to Andy Murray, of Great Britain, during the men's singles final match at the Sony Ericsson Open tennis tournament on Sunday, April 1, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Novak Djokovic, foreground, of Serbia, serves to Andy Murray, of Great Britain, during the men's singles final match at the Sony Ericsson Open tennis tournament on Sunday, April 1, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Novak Djokovic, foreground, of Serbia, serves to Andy Murray, of Great Britain, during the men's singles final match at the Sony Ericsson Open tennis tournament on Sunday, April 1, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Maria Sharapova of Russia, returns the ball to Agnieszka Radwanska of Poland, during the women's singles final of the Sony Ericsson tennis tournament, Saturday, March 31, 2012, in Key Biscayne, Fla. (AP Photo/Alan Diaz)
Maria Sharapova of Russia, returns the ball to Agnieszka Radwanska of Poland, during the women's singles final of the Sony Ericsson tennis tournament, Saturday, March 31, 2012, in Key Biscayne, Fla. (AP Photo/Alan Diaz)
Maria Sharapova of Russia, returns the ball to Agnieszka Radwanska of Poland, during the women's singles final of the Sony Ericsson tennis tournament, Saturday, March 31, 2012, in Key Biscayne, Fla. (AP Photo/Alan Diaz)
Maria Sharapova of Russia, returns the ball to Agnieszka Radwanska of Poland, during the women's singles final at the Sony Ericsson tennis tournament, Saturday, March 31, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova of Russia, returns the ball to Agnieszka Radwanska of Poland, during the women's singles final at the Sony Ericsson tennis tournament, Saturday, March 31, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova of Russia, returns the ball to Agnieszka Radwanska of Poland, during the women's singles final at the Sony Ericsson tennis tournament, Saturday, March 31, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Juan Monaco, of Argentina, returns the ball to Mardy Fish during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Juan Monaco, of Argentina, returns the ball to Mardy Fish during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Juan Monaco, of Argentina, returns the ball to Mardy Fish during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, returns the ball to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, returns the ball to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, returns the ball to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, returns the ball to Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, returns the ball to Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, returns the ball to Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, serves to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, serves to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, serves to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Mardy Fish returns the ball to Juan Monaco, of Argentina, during the Sony Ericsson tennis tournament on Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Mardy Fish returns the ball to Juan Monaco, of Argentina, during the Sony Ericsson tennis tournament on Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Mardy Fish returns the ball to Juan Monaco, of Argentina, during the Sony Ericsson tennis tournament on Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, reacts after defeating Caroline Wozniacki, of Denmark, 4-6, 6-2, 6-4 during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, reacts after defeating Caroline Wozniacki, of Denmark, 4-6, 6-2, 6-4 during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, reacts after defeating Caroline Wozniacki, of Denmark, 4-6, 6-2, 6-4 during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Novak Djokovic, of Serbia, watches his ball just go over the net as he hits it back to David Ferrer, of Spain, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Thursday, March 29, 2012. (AP Photo/J Pat Carter)
Novak Djokovic, of Serbia, watches his ball just go over the net as he hits it back to David Ferrer, of Spain, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Thursday, March 29, 2012. (AP Photo/J Pat Carter)
Novak Djokovic, of Serbia, watches his ball just go over the net as he hits it back to David Ferrer, of Spain, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Thursday, March 29, 2012. (AP Photo/J Pat Carter)
Caroline Wozniacki of Denmark, adjusts her racket during a match against Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, adjusts her racket during a match against Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, adjusts her racket during a match against Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Juan Monaco, of Argentina, acknowledges fans after his 7-5, 6-0 win over Andy Roddick, of the United States, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Juan Monaco, of Argentina, acknowledges fans after his 7-5, 6-0 win over Andy Roddick, of the United States, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Juan Monaco, of Argentina, acknowledges fans after his 7-5, 6-0 win over Andy Roddick, of the United States, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Andy Roddick, of the United States, prepares to return to Juan Monaco, of Argentina, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Andy Roddick, of the United States, prepares to return to Juan Monaco, of Argentina, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Andy Roddick, of the United States, prepares to return to Juan Monaco, of Argentina, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Rafael Nadal, of Spain, returns a shot from Kei Nishikori, of Japan, during the Sony Ericsson Open tennis tournament, Tuesday, March 27, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Rafael Nadal, of Spain, returns a shot from Kei Nishikori, of Japan, during the Sony Ericsson Open tennis tournament, Tuesday, March 27, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Rafael Nadal, of Spain, returns a shot from Kei Nishikori, of Japan, during the Sony Ericsson Open tennis tournament, Tuesday, March 27, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Roger Federer, of Switzerland, returns to Andy Roddick during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Roger Federer, of Switzerland, returns to Andy Roddick during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Roger Federer, of Switzerland, returns to Andy Roddick during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Andy Roddick returns to Roger Federer, of Switzerland, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Andy Roddick returns to Roger Federer, of Switzerland, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Andy Roddick returns to Roger Federer, of Switzerland, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Maria Sharapova, of Russia, returns the ball to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, returns the ball to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, returns the ball to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, returns the ball to Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, returns the ball to Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, returns the ball to Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, serves to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, serves to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, serves to Caroline Wozniacki, of Denmark, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Mardy Fish returns the ball to Juan Monaco, of Argentina, during the Sony Ericsson tennis tournament on Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Mardy Fish returns the ball to Juan Monaco, of Argentina, during the Sony Ericsson tennis tournament on Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Mardy Fish returns the ball to Juan Monaco, of Argentina, during the Sony Ericsson tennis tournament on Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, reacts after defeating Caroline Wozniacki, of Denmark, 4-6, 6-2, 6-4 during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, reacts after defeating Caroline Wozniacki, of Denmark, 4-6, 6-2, 6-4 during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Maria Sharapova, of Russia, reacts after defeating Caroline Wozniacki, of Denmark, 4-6, 6-2, 6-4 during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Novak Djokovic, of Serbia, watches his ball just go over the net as he hits it back to David Ferrer, of Spain, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Thursday, March 29, 2012. (AP Photo/J Pat Carter)
Novak Djokovic, of Serbia, watches his ball just go over the net as he hits it back to David Ferrer, of Spain, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Thursday, March 29, 2012. (AP Photo/J Pat Carter)
Novak Djokovic, of Serbia, watches his ball just go over the net as he hits it back to David Ferrer, of Spain, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Thursday, March 29, 2012. (AP Photo/J Pat Carter)
Caroline Wozniacki of Denmark, adjusts her racket during a match against Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, adjusts her racket during a match against Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Caroline Wozniacki of Denmark, adjusts her racket during a match against Maria Sharapova of Russia, during the Sony Ericsson tennis tournament, Thursday, March 29, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Juan Monaco, of Argentina, acknowledges fans after his 7-5, 6-0 win over Andy Roddick, of the United States, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Juan Monaco, of Argentina, acknowledges fans after his 7-5, 6-0 win over Andy Roddick, of the United States, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Juan Monaco, of Argentina, acknowledges fans after his 7-5, 6-0 win over Andy Roddick, of the United States, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Andy Roddick, of the United States, prepares to return to Juan Monaco, of Argentina, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Andy Roddick, of the United States, prepares to return to Juan Monaco, of Argentina, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Andy Roddick, of the United States, prepares to return to Juan Monaco, of Argentina, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Rafael Nadal, of Spain, returns a shot from Kei Nishikori, of Japan, during the Sony Ericsson Open tennis tournament, Tuesday, March 27, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Rafael Nadal, of Spain, returns a shot from Kei Nishikori, of Japan, during the Sony Ericsson Open tennis tournament, Tuesday, March 27, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Rafael Nadal, of Spain, returns a shot from Kei Nishikori, of Japan, during the Sony Ericsson Open tennis tournament, Tuesday, March 27, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Roger Federer, of Switzerland, returns to Andy Roddick during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Roger Federer, of Switzerland, returns to Andy Roddick during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Roger Federer, of Switzerland, returns to Andy Roddick during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Andy Roddick returns to Roger Federer, of Switzerland, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Andy Roddick returns to Roger Federer, of Switzerland, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Andy Roddick returns to Roger Federer, of Switzerland, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Maria Sharapova of Russia in action during her match against Ekaterina Makarova of Russia on day 8 of the Sony Ericsson Open at Crandon Park Tennis Center in Key Biscayne, Florida. Sharapova defeated Makarova 6-4, 7-6 (7/3) to set up a quarter-final clash with China's Li Na. (AFP Photo/Michael Regan)
Maria Sharapova of Russia in action during her match against Ekaterina Makarova of Russia
Maria Sharapova of Russia in action during her match against Ekaterina Makarova of Russia on day 8 of the Sony Ericsson Open at Crandon Park Tennis Center in Key Biscayne, Florida. Sharapova defeated Makarova 6-4, 7-6 (7/3) to set up a quarter-final clash with China's Li Na. (AFP Photo/Michael Regan)
Andy Roddick, of the United States, prepares to return to Juan Monaco, of Argentina, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Andy Roddick, of the United States, prepares to return to Juan Monaco, of Argentina, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Andy Roddick, of the United States, prepares to return to Juan Monaco, of Argentina, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 27, 2012. (AP Photo/Alan Diaz)
Rafael Nadal, of Spain, returns a shot from Kei Nishikori, of Japan, during the Sony Ericsson Open tennis tournament, Tuesday, March 27, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Rafael Nadal, of Spain, returns a shot from Kei Nishikori, of Japan, during the Sony Ericsson Open tennis tournament, Tuesday, March 27, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Rafael Nadal, of Spain, returns a shot from Kei Nishikori, of Japan, during the Sony Ericsson Open tennis tournament, Tuesday, March 27, 2012, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Roger Federer, of Switzerland, returns to Andy Roddick during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Roger Federer, of Switzerland, returns to Andy Roddick during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Roger Federer, of Switzerland, returns to Andy Roddick during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Andy Roddick returns to Roger Federer, of Switzerland, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Andy Roddick returns to Roger Federer, of Switzerland, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Andy Roddick returns to Roger Federer, of Switzerland, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Monday, March 26, 2012. (AP Photo/Alan Diaz)
Maria Sharapova of Russia in action during her match against Ekaterina Makarova of Russia on day 8 of the Sony Ericsson Open at Crandon Park Tennis Center in Key Biscayne, Florida. Sharapova defeated Makarova 6-4, 7-6 (7/3) to set up a quarter-final clash with China's Li Na. (AFP Photo/Michael Regan)
Maria Sharapova of Russia in action during her match against Ekaterina Makarova of Russia
Maria Sharapova of Russia in action during her match against Ekaterina Makarova of Russia on day 8 of the Sony Ericsson Open at Crandon Park Tennis Center in Key Biscayne, Florida. Sharapova defeated Makarova 6-4, 7-6 (7/3) to set up a quarter-final clash with China's Li Na. (AFP Photo/Michael Regan)
KEY BISCAYNE, FL - MARCH 25: Venus Williams of the USA shows her emotion during her three set victory against Aleksandra Wozniak of Canada in their third round match at the Sony Ericsson Open at Crandon Park Tennis Center on March 25, 2012 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)
Venus Williams Of The USA Shows Getty Images
KEY BISCAYNE, FL - MARCH 25: Venus Williams of the USA shows her emotion during her three set victory against Aleksandra Wozniak of Canada in their third round match at the Sony Ericsson Open at Crandon Park Tennis Center on March 25, 2012 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)
KEY BISCAYNE, FL - MARCH 25: Serena Williams cheers on her sister Venus Williams of the USA against Aleksandra Wozniak of Canada during Day 7 at Crandon Park Tennis Center at the Sony Ericsson Open on March 25, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)
Sony Ericsson Open - Day 7
KEY BISCAYNE, FL - MARCH 25: Serena Williams cheers on her sister Venus Williams of the USA against Aleksandra Wozniak of Canada during Day 7 at Crandon Park Tennis Center at the Sony Ericsson Open on March 25, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)
KEY BISCAYNE, FL - MARCH 25: Grigor Dimitrov of Bulgaria hits a return to Tomas Berdych of the Czech Republic during Day 7 of the Sony Ericsson Open at Crandon Park Tennis Center on March 25, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)
Sony Ericsson Open - Day 7
KEY BISCAYNE, FL - MARCH 25: Grigor Dimitrov of Bulgaria hits a return to Tomas Berdych of the Czech Republic during Day 7 of the Sony Ericsson Open at Crandon Park Tennis Center on March 25, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)
Serena Williams returns the ball to Roberta Vinci of Italy, during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. Williams won the match 6-2, 6-1. (AP Photo/Lynne Sladky)
Serena Williams returns the ball to Roberta Vinci of Italy, during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. Williams won the match 6-2, 6-1. (AP Photo/Lynne Sladky)
Serena Williams returns the ball to Roberta Vinci of Italy, during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. Williams won the match 6-2, 6-1. (AP Photo/Lynne Sladky)
Roberta Vinci of Italy returns the ball to Serena Williams during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roberta Vinci of Italy returns the ball to Serena Williams during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roberta Vinci of Italy returns the ball to Serena Williams during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Rafael Nadal of Spain returns a shot to Santiago Giraldo of Columbia during their Sony Ericsson Open match at the Crandon Park Tennis Center, on March 23, in Key Biscayne, Florida. Nadal won 6-2, 6-0. (AFP Photo/Matthew Stockman)
Rafael Nadal began his quest for a first-ever Miami title by ousting Colombia's Santiago Giraldo in just 69 minutes
Rafael Nadal of Spain returns a shot to Santiago Giraldo of Columbia during their Sony Ericsson Open match at the Crandon Park Tennis Center, on March 23, in Key Biscayne, Florida. Nadal won 6-2, 6-0. (AFP Photo/Matthew Stockman)
Maria Sharapova of Russia in action during her match against Ekaterina Makarova of Russia on day 8 of the Sony Ericsson Open at Crandon Park Tennis Center in Key Biscayne, Florida. Sharapova defeated Makarova 6-4, 7-6 (7/3) to set up a quarter-final clash with China's Li Na. (AFP Photo/Michael Regan)
Maria Sharapova of Russia in action during her match against Ekaterina Makarova of Russia
Maria Sharapova of Russia in action during her match against Ekaterina Makarova of Russia on day 8 of the Sony Ericsson Open at Crandon Park Tennis Center in Key Biscayne, Florida. Sharapova defeated Makarova 6-4, 7-6 (7/3) to set up a quarter-final clash with China's Li Na. (AFP Photo/Michael Regan)
KEY BISCAYNE, FL - MARCH 25: Venus Williams of the USA shows her emotion during her three set victory against Aleksandra Wozniak of Canada in their third round match at the Sony Ericsson Open at Crandon Park Tennis Center on March 25, 2012 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)
Venus Williams Of The USA Shows Getty Images
KEY BISCAYNE, FL - MARCH 25: Venus Williams of the USA shows her emotion during her three set victory against Aleksandra Wozniak of Canada in their third round match at the Sony Ericsson Open at Crandon Park Tennis Center on March 25, 2012 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)
KEY BISCAYNE, FL - MARCH 25: Serena Williams cheers on her sister Venus Williams of the USA against Aleksandra Wozniak of Canada during Day 7 at Crandon Park Tennis Center at the Sony Ericsson Open on March 25, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)
Sony Ericsson Open - Day 7
KEY BISCAYNE, FL - MARCH 25: Serena Williams cheers on her sister Venus Williams of the USA against Aleksandra Wozniak of Canada during Day 7 at Crandon Park Tennis Center at the Sony Ericsson Open on March 25, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)
KEY BISCAYNE, FL - MARCH 25: Grigor Dimitrov of Bulgaria hits a return to Tomas Berdych of the Czech Republic during Day 7 of the Sony Ericsson Open at Crandon Park Tennis Center on March 25, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)
Sony Ericsson Open - Day 7
KEY BISCAYNE, FL - MARCH 25: Grigor Dimitrov of Bulgaria hits a return to Tomas Berdych of the Czech Republic during Day 7 of the Sony Ericsson Open at Crandon Park Tennis Center on March 25, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)
Serena Williams returns the ball to Roberta Vinci of Italy, during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. Williams won the match 6-2, 6-1. (AP Photo/Lynne Sladky)
Serena Williams returns the ball to Roberta Vinci of Italy, during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. Williams won the match 6-2, 6-1. (AP Photo/Lynne Sladky)
Serena Williams returns the ball to Roberta Vinci of Italy, during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. Williams won the match 6-2, 6-1. (AP Photo/Lynne Sladky)
Roberta Vinci of Italy returns the ball to Serena Williams during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roberta Vinci of Italy returns the ball to Serena Williams during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roberta Vinci of Italy returns the ball to Serena Williams during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Rafael Nadal of Spain returns a shot to Santiago Giraldo of Columbia during their Sony Ericsson Open match at the Crandon Park Tennis Center, on March 23, in Key Biscayne, Florida. Nadal won 6-2, 6-0. (AFP Photo/Matthew Stockman)
Rafael Nadal began his quest for a first-ever Miami title by ousting Colombia's Santiago Giraldo in just 69 minutes
Rafael Nadal of Spain returns a shot to Santiago Giraldo of Columbia during their Sony Ericsson Open match at the Crandon Park Tennis Center, on March 23, in Key Biscayne, Florida. Nadal won 6-2, 6-0. (AFP Photo/Matthew Stockman)
Andy Murray of Great Britain serves to Alejandro Falla of Colombia during day five of the Sony Ericsson Open at the Crandon Park Tennis Center on March 23, in Key Biscayne, Florida. Murray eased into the third round by dispatching Falla 6-2, 6-3 (AFP Photo/Matthew Stockman)
Murray recorded his 15th match win of the season against three defeats
Andy Murray of Great Britain serves to Alejandro Falla of Colombia during day five of the Sony Ericsson Open at the Crandon Park Tennis Center on March 23, in Key Biscayne, Florida. Murray eased into the third round by dispatching Falla 6-2, 6-3 (AFP Photo/Matthew Stockman)
Serena Williams returns the ball to Roberta Vinci of Italy, during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. Williams won the match 6-2, 6-1. (AP Photo/Lynne Sladky)
Serena Williams returns the ball to Roberta Vinci of Italy, during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. Williams won the match 6-2, 6-1. (AP Photo/Lynne Sladky)
Serena Williams returns the ball to Roberta Vinci of Italy, during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. Williams won the match 6-2, 6-1. (AP Photo/Lynne Sladky)
Roberta Vinci of Italy returns the ball to Serena Williams during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roberta Vinci of Italy returns the ball to Serena Williams during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Roberta Vinci of Italy returns the ball to Serena Williams during the Sony Ericsson Open tennis tournament, Saturday, March 24, 2012, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)
Rafael Nadal of Spain returns a shot to Santiago Giraldo of Columbia during their Sony Ericsson Open match at the Crandon Park Tennis Center, on March 23, in Key Biscayne, Florida. Nadal won 6-2, 6-0. (AFP Photo/Matthew Stockman)
Rafael Nadal began his quest for a first-ever Miami title by ousting Colombia's Santiago Giraldo in just 69 minutes
Rafael Nadal of Spain returns a shot to Santiago Giraldo of Columbia during their Sony Ericsson Open match at the Crandon Park Tennis Center, on March 23, in Key Biscayne, Florida. Nadal won 6-2, 6-0. (AFP Photo/Matthew Stockman)
Andy Murray of Great Britain serves to Alejandro Falla of Colombia during day five of the Sony Ericsson Open at the Crandon Park Tennis Center on March 23, in Key Biscayne, Florida. Murray eased into the third round by dispatching Falla 6-2, 6-3 (AFP Photo/Matthew Stockman)
Murray recorded his 15th match win of the season against three defeats
Andy Murray of Great Britain serves to Alejandro Falla of Colombia during day five of the Sony Ericsson Open at the Crandon Park Tennis Center on March 23, in Key Biscayne, Florida. Murray eased into the third round by dispatching Falla 6-2, 6-3 (AFP Photo/Matthew Stockman)

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