LONDON, ENGLAND - JUNE 23: Kazakhstani Andrey Golubev returns the ball during the Gentlemen's Singles 2nd round match between Serbian Novak Djokovic (not seen) and Andrey Golubev during the Wimbledon Lawn Tennis Championship at the All England Lawn Tennis and Croquet Club at Wimbledon on June 23, 2014 in London, England. (Photo by Yunus Kaymaz/Anadolu Agency/Getty Images)
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