The former US Open champion hit 15 double faults in a 7-6 (4) 7-6 (2) victory.

The Serbian alleged in an interview that food he was served in Melbourne led to him having high levels of lead and mercury.

The 22-year-old Italian followed up his victory over Novak Djokovic by claiming the trophy in dramatic fashion.

Sabalenka and Gauff lost just eight games between them in the fourth round.

The year’s first grand slam has increased in length to 15 days while the tours are introducing new rules.

The Australian Open has a new timetable and plenty of familiar faces returning to its blue courts.