Serbia's Novak Djokovic (L) celebrates beating France's Richard Gasquet during their men's semi-final match on day eleven of the 2015 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 10, 2015. Djokovic won the match 7-6, 6-4, 6-4.  RESTRICTED TO EDITORIAL USE  --    AFP PHOTO / GLYN KIRK (Photo by GLYN KIRK / AFP) (Photo by GLYN KIRK/AFP via Getty Images)