Novak Djokovic

Workers sweep water off a tarp as rain interrupts a men's singles match between Djokovic of Serbia and Sousa of Portugal at the French Open tennis tournament at the Roland Garros stadium in Paris...Workers sweep water off a tarp as rain interrupts a men's singles match between Novak Djokovic of Serbia and Joao Sousa of Portugal at the French Open tennis tournament at the Roland Garros stadium in Paris May 26, 2014.     REUTERS/Gonzalo Fuentes

Gonzalo Fuentes/Reuters

Workers sweep water off tarpaulin as rain interrupts the men’s singles match between Novak Djokovic of Serbia and Joao Sousa of Portugal at the French Open tennis tournament, Roland Garros stadium, Paris

Novak Djokovic of Serbia signs autographs after his men's singles match against Lukas Lacko of Slovakia at the Australian Open 2014 tennis tournament in Melbourne

David Gray/Reuters

Novak Djokovic of Serbia signs autographs after his men’s singles match against Lukas Lacko of Slovakia at the Australian Open 2014 tennis tournament in Melbourne. Djokovic won 6-3 7-6 (7-2) 6-1.

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Anja Niedringhaus/AP

Andy Murray of Britain reacts on defeating Novak Djokovic of Serbia during the men’s singles final match at the All England Lawn Tennis Championships in Wimbledon, London, Sunday

Tennis - 2013 Wimbledon Championships - Day Thirteen - The All England Lawn Tennis and Croquet Club...Fans react on Murray Mount as they watch Great Britain's Andy Murray play Serbia's Novak Djokovic in their Men's Final, on the big screen during day thirteen of the Wimbledon Championships at The All England Lawn Tennis and Croquet Club, Wimbledon. PRESS ASSOCIATION Photo. Picture date: Sunday July 7, 2013. See PA story TENNIS Wimbledon. Photo credit should read: Dominic Lipinski/PA Wire.  RESTRICTIONS: Editorial use only. No commercial use. No video emulation. No use with any unofficial third party logos.

Dominic Lipinski/PA

Fans react on Murray Mount as they watch on the big screen Great Britain’s Andy Murray play Serbia’s Novak Djokovic in the men’s grand slam final of the Wimbledon tennis Championships at The All England Lawn Tennis and Croquet Club, Wimbledon, UK. Murray won in three sets, 6-4 7-5 6-4, and became the first British men’s player to take the trophy for 77 years Read more