Novak Djokovic has been visited twice by a doctor for a stomach issue and given what he called “miracle pills” during a 6-1, 6-7 (7), 6-2, 6-2 victory over Alexandre Muller in Wimbledon’s first round.

Novak Djokovic praises ‘miracle pills’ for easing ‘absolute worst’ feeling during Wimbledon win - Djokovic was in visible discomfort during his first round clash before recovering to win in four sets

Veteran Novak Djokovic defeated Alexandre Muller 6-1, 6-7(9), 6-2, 6-2 on Centre Court at Wimbledon on Tuesday night, but admitted he wasn't feeling his best.