LONDON, ENGLAND - JULY 11: Novak Djokovic (2) of Serbia in action against Adrian Mannarino of France in their Men's Singles Fourth Round Match at Wimbledon on July 11, 2017 in London, England. (Photo by Ashley Western - CameraSport via Getty Images)
LONDON, ENGLAND - JULY 11: Novak Djokovic (2) of Serbia in action against Adrian Mannarino of France in their Men's Singles Fourth Round Match at Wimbledon on July 11, 2017 in London, England. (Photo by Ashley Western - CameraSport via Getty Images)