LONDON, ENGLAND - JUNE 25:  Sergiy Stakhovsky of Ukraine returns the ball during his Gentlemen's Singles second round match against Ernests Gulbis of Latvia on day three of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on June 25, 2014 in London, England.  (Photo by Jan Kruger/Getty Images)