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 was in a spot of bother during his second round match at Wimbledon but the Serbian was able to call upon some "miracle pills" to secure his spot in the third round.

On a day that saw Alexander Zverev become the fourth top-10 seeded player to be eliminated from the men's draw, Novak Djokovic kept his cool to earn a 6-1 6-7 (7-9) 6-2 6-2 win