Two-time defending champion Jannik Sinner set a personal-best mark for most aces in a match as he moved into the Australian Open quarter-finals.

Two-time defending champion Jannik Sinner set a personal-best mark for most aces in a match as he moved into the Australian Open quarter-finals.

Jannik Sinner shows some concern during the first game against Ben Shelton.

Jannik Sinner shows some concern during the first game against Ben Shelton.

Novak Djokovic was defiant as he assessed the monumental challenge ahead of him on Friday after he was gifted a path into an Australian Open semifinal...

Jannik Sinner wraps up the set with a brilliant winner.

Jannik Sinner wraps up the set with a brilliant winner.

World No. 2 Jannik Sinner graciously acknowledged his Australian Open semi-final defeat to Novak Djokovic, admitting the loss hurt but commending the...

Jannik Sinner conceded he “got lucky” as the Australian Open heat rules potentially saved him from a shocking third-round elimination on Saturday.

Jannik Sinner advances to the quarter finals with a win over Luciano Darderi.