see more

LONDON, ENGLAND - JUNE 30: Roger Federer of Switzerland in action in his Gentlemen's Singles first round match against Damir Dzumhur of Bosnia and Herzegovina during day two of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on June 30, 2015 in London, England. (Photo by Shaun Botterill/Getty Images)

LONDON, ENGLAND - JUNE 30:  Roger Federer of Switzerland in action in his Gentlemen's Singles first round match against Damir Dzumhur of Bosnia and Herzegovina during day two of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on June 30, 2015 in London, England.  (Photo by Shaun Botterill/Getty Images)