Defending champ Jannik Sinner drops set for first time since October, but rallies for win; American Danielle Collins plays villain while advancing.

Defending champion Jannik Sinner’s consecutive-sets streak has ended in the second round of the Australian Open.

Jannik Sinner has announced that he will part ways with his coach Darren Cahill at the end of the season. The Australian, who joined Sinner's team in July 2022, will conclude the 2025 campaign before stepping back from full-time tennis.

In a match slated for Tuesday, Tristan Schoolkate (No. 173 in rankings) will meet Jannik Sinner (No. 1) in the Round of 64 at the Australian Open.Sinner’s last competition was a win, 6-2,

Jannik Sinner has started his Australian Open title defense with a challenging win over No. 35-ranked Nicolas Jarry.

World No.1 Jannik Sinner survived an early scare against Tristan Schoolkate and advanced to the third round of the men's singles. Sinner took two hours and 46 minutes to win the match 4-6, 6-4, 6-1, 6-3.

Sinner has raced to a 63-18 win-loss record at Grand Slams. On the other hand, his win-loss record at the Australian Open reads as 17-4. Notably, Sinner enjoyed a 23-2 win-loss record at Slams last year.

Sinner became the youngest player to register nine consecutive wins at the Australian Open in the men's singles since Novak Djokovic between 2008 and 2009

World No. 1 Jannik Sinner comes from a set down to defeat Tristan Schoolkate at the Australian Open.

World number one Jannik Sinner dropped a set for the first time in 14 matches on Thursday before surging back to keep his Australian Open title defence on track.