Roger Federer

Roger Federer of Switzerland serves during his men's singles tennis match against Tommy Robredo of Spain at the Wimbledon Tennis Championships, in London...Roger Federer of Switzerland serves during his men's singles tennis match against Tommy Robredo of Spain at the Wimbledon Tennis Championships, in London July 1, 2014.    REUTERS/Toby Melville (BRITAIN  - Tags: SPORT TENNIS)

Toby Melville/Reuters

Roger Federer of Switzerland serves during his men’s singles tennis match against Tommy Robredo of Spain at the Wimbledon Tennis Championships on Tuesday, which he won in three sets Read more

Roger Federer of Switzerland serves to Somdev Devvarman of India during their men's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris May 29, 2013.

Philippe Wojazer/Reuters

Roger Federer of Switzerland, the world-ranked number 3 player, serves to Somdev Devvarman of India, ranked 188, during their men’s singles match at the French Open tennis tournament at the Roland Garros stadium in Paris on Wednesday