It’s after Lorenzo Musetti was forced to retire injured from their last-8 match in Melbourne.
It’s a huge slice of fortune for Djokovic, who was two sets down in the match in Melbourne.
It’s the second match in a row that the Serbian has benefited from a walkover.
Djokovic remains on course to win a record 25th Grand Slam and will face either defending champion Jannik Sinner or Ben Shelton next.



