Xavier Malisse of Belgium reacts during his men's singles match against Milos Raonic of Canada during the French Open tennis tournament at the Roland Garros stadium in Paris May 26, 2013. Malisse was defeated by Raonic. REUTERS/Gonzalo Fuentes (FRANCE - Tags: SPORT TENNIS)

Milos Raonic of Canada acknowledges spectators after defeating Xavier Malisse of Belgium in their men's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris May 26, 2013. REUTERS/Gonzalo Fuentes (FRANCE - Tags: SPORT TENNIS)

Spectators watch Milos Raonic (L on court) of Canada play Xavier Malisse (R on court) of Belgium during their men's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris May 26, 2013. REUTERS/Gonzalo Fuentes (FRANCE - Tags: SPORT TENNIS)

Milos Raonic of Canada wipes his face during his men's singles match against Xavier Malisse of Belgium at the French Open tennis tournament at the Roland Garros stadium in Paris May 26, 2013. REUTERS/Gonzalo Fuentes (FRANCE - Tags: SPORT TENNIS)

Milos Raonic of Canada hits a return to Xavier Malisse of Belgium during their men's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris May 26, 2013. REUTERS/Gonzalo Fuentes (FRANCE - Tags: SPORT TENNIS)

Kei Nishikori of Japan hits a return to Xavier Malisse of Belgium at the Sony Open tennis tournament in Key Biscayne, Florida March 24, 2013.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: SPORT TENNIS) 

Kei Nishikori of Japan hits a return to Xavier Malisse of Belgium at the Sony Open tennis tournament in Key Biscayne, Florida March 24, 2013.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: SPORT TENNIS) 

Kei Nishikori of Japan hits a return to Xavier Malisse of Belgium at the Sony Open tennis tournament in Key Biscayne, Florida March 24, 2013.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: SPORT TENNIS) 

Kei Nishikori of Japan hits a return to Xavier Malisse of Belgium at the Sony Open tennis tournament in Key Biscayne, Florida March 24, 2013.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: SPORT TENNIS) 

Xavier Malisse of Belgium hits one of his rackets during a break in his men's singles match against Fernando Verdasco of Spain at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Damir Sagolj (AUSTRALIA - Tags: SPORT TENNIS TPX IMAGES OF THE DAY)

Xavier Malisse of Belgium hits a ball with the handle of his racket during his men's singles match against Fernando Verdasco of Spain at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Damir Sagolj (AUSTRALIA - Tags: SPORT TENNIS)

Fernando Verdasco of Spain hits a return to Xavier Malisse of Belgium during their men's singles match at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Damir Sagolj (AUSTRALIA - Tags: SPORT TENNIS)

Xavier Malisse of Belgium throws his water bottle during a break in his men's singles match against Fernando Verdasco of Spain at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Damir Sagolj (AUSTRALIA - Tags: SPORT TENNIS)

Fernando Verdasco of Spain waits to receive a serve from Xavier Malisse of Belgium during their men's singles match at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Damir Sagolj (AUSTRALIA - Tags: SPORT TENNIS)

Xavier Malisse of Belgium hits a return to Fernando Verdasco of Spain during their men's singles match at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Damir Sagolj (AUSTRALIA - Tags: SPORT TENNIS)

Xavier Malisse of Belgium hits one of his rackets during a break in his men's singles match against Fernando Verdasco of Spain at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Damir Sagolj (AUSTRALIA - Tags: SPORT TENNIS)

Fernando Verdasco of Spain celebrates defeating Xavier Malisse of Belgium in their men's singles match at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Damir Sagolj (AUSTRALIA - Tags: SPORT TENNIS)

Fernando Verdasco of Spain celebrates during his men's singles match against Xavier Malisse of Belgium at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Damir Sagolj (AUSTRALIA - Tags: SPORT TENNIS)

John Isner of the U.S. hits a return to Xavier Malisse of Belgium during their men's singles match at the U.S. Open tennis tournament in New York August 29, 2012. REUTERS/Jessica Rinaldi (UNITED STATES - Tags: SPORT TENNIS)

John Isner of the U.S. celebrates after defeating Xavier Malisse of Belgium during their men's singles match at the U.S. Open tennis tournament in New York August 29, 2012. REUTERS/Jessica Rinaldi (UNITED STATES - Tags: SPORT TENNIS)

Xavier Malisse of Belgium reacts after being defeated by John Isner of the U.S. in their men's singles match at the U.S. Open tennis tournament in New York August 29, 2012. REUTERS/Jessica Rinaldi (UNITED STATES - Tags: SPORT TENNIS)

John Isner of the U.S. serves to Xavier Malisse of Belgium during their men's singles match at the U.S. Open tennis tournament in New York August 29, 2012. REUTERS/Jessica Rinaldi (UNITED STATES - Tags: SPORT TENNIS)

John Isner of the U.S. hits a return to Xavier Malisse of Belgium during their men's singles match at the U.S. Open tennis tournament in New York August 29, 2012. REUTERS/Jessica Rinaldi (UNITED STATES - Tags: SPORT TENNIS)

John Isner of the U.S serves to Xavier Malisse of Belgium during their men's singles match at the U.S. Open tennis tournament in New York August 29, 2012. REUTERS/Jessica Rinaldi (UNITED STATES - Tags: SPORT TENNIS)

Xavier Malisse of Belgium wipes his face during play against John Isner of the U.S. during their men's singles match at the U.S. Open tennis tournament in New York August 29, 2012. REUTERS/Jessica Rinaldi (UNITED STATES - Tags: SPORT TENNIS)

Roger Federer of Switzerland celebrates after defeating Xavier Malisse of Belgium during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland celebrates after defeating Xavier Malisse of Belgium during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland (L) embraces Xavier Malisse of Belgium after defeating him in their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland celebrates after defeating Xavier Malisse of Belgium during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium reacts during his men's singles tennis match against Roger Federer of Switzerland at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium reacts during his men's singles tennis match against Roger Federer of Switzerland at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium reacts during his men's singles tennis match against Roger Federer of Switzerland at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland hits a return to Xavier Malisse of Belgium during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland hits a return to Xavier Malisse of Belgium during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS TPX IMAGES OF THE DAY)

Roger Federer of Switzerland reacts to winning the second set during his men's singles tennis match against Xavier Malisse of Belgium at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland reacts during his men's singles tennis match against Xavier Malisse of Belgium at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland stretches as he waits for the rain covers to be put onto Centre Court during his men's singles tennis match against Xavier Malisse of Belgium at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS) 

Roger Federer of Switzerland reacts to winning the first set during his men's singles tennis match against Xavier Malisse of Belgium at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland (L) walks off the court during a medical timout in his men's singles tennis match against Xavier Malisse of Belgium at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Golfers Ian Poulter (back L) and Paul Casey (back R) sit behind businessman Richard Branson (R) on Centre Court for the men's singles tennis match between Roger Federer of Switzerland and Xavier Malisse of Belgium at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: BUSINESS ENTERTAINMENT SPORT GOLF SOCIETY SPORT TENNIS)

Xavier Malisse of Belgium waits for Roger Federer of Switzerland during a medical timeout in their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland speaks to a medical advisor during his men's singles tennis match against Xavier Malisse of Belgium at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium hits a return to Roger Federer of Switzerland during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium serves to Roger Federer of Switzerland during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Businessman Richard Branson (C) sits on Centre Court for the men's singles tennis match between Roger Federer of Switzerland and Xavier Malisse of Belgium at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: BUSINESS ENTERTAINMENT SOCIETY SPORT TENNIS)

Roger Federer of Switzerland serves to Xavier Malisse of Belgium during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland hits a return to Xavier Malisse of Belgium during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Roger Federer of Switzerland hits a return to Xavier Malisse of Belgium during their men's singles tennis match at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium (R) shakes hands with Fernando Verdasco of Spain after defeating him in their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium puts on his shirt during a break in his men's singles tennis match against Fernando Verdasco of Spain at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium leaves the court after defeating Fernando Verdasco of Spain in their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium celebrates after defeating Fernando Verdasco of Spain in their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium celebrates after defeating Fernando Verdasco of Spain in their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium celebrates after defeating Fernando Verdasco of Spain in their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium celebrates after defeating Fernando Verdasco of Spain in their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium hits a return to Fernando Verdasco of Spain during their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Fernando Verdasco of Spain reacts during his men's singles tennis match against Xavier Malisse of Belgium at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium reacts during his men's singles tennis match against Fernando Verdasco of Spain during their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Xavier Malisse of Belgium hits a return to Fernando Verdasco of Spain during their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Fernando Verdasco of Spain hits a return to Xavier Malisse of Belgium during their men's singles tennis match at the Wimbledon tennis championships in London June 29, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)