Novak Djokovic moved into the semifinals of the Australian Open in dramatic fashion after fifth seed Lorenzo Musetti was forced to retire from their quarterfinal match due to injury at Melbourne Park on Wednesday.

Scorching temperatures swept through Melbourne Park on Saturday, disrupting play at the Australian Open and driving down crowd numbers as players and fans struggled under relentless heat.

Cruz Hewitt’s hopes of earning a place in the Australian Open main draw ended on Tuesday after he was eliminated in the first round of qualifying at Melbourne Park.