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 overcame a stomach bug to win his opening-round match against unseeded Alexandre Muller on Monday. The seven-time champion dismissed doubts over his chances at the grass-court Grand Slam.

Novak Djokovic gatecrashed Aryna Sabalenka’s Wimbledon press conference before discussing his own chances and future at SW19. US Open champion Sabalenka was answering the final question of her pre-tournament press conference when Djokovic entered before it was his turn to face the press.