Djokovic slipped on the grass Wednesday after a forehand attempt led to a return from Cobolli that hit the net cord and made Djokovic lean to his left. His leg then bent awkwardly on the turf at the All England Lawn and Tennis Club.

Novak Djokovic canceled his afternoon practice session at Wimbledon a day after the seven-time champion had a "nasty" fall moments before clinching his quarterfinal victory.