Novak Djokovic came through a gruelling four-set match against Alexei Popyrin of Australia to reach the fourth round at Wimbledon.
The seven-time champion at SW19 lost the first set and was never able to run away with the match against his opponent on Centre Court — Popyrin producing some of his best tennis and unfortunate not to take the match to a fifth set despite coming close to breaking Djokovic in the fourth.
