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

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

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.

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

When Carlos Alcaraz is on court for a training session, perhaps working on his newly revamped service motion, he’s doing so to buttress a game already good enough to claim four Grand Slam titles

Defending champion Jannik Sinner lost his first set since October but recovered to beat Tristan Schoolkate and reach the third round of the Australian Open. Sinner has been untouchable in recent months and headed into this contest on a 15-match winning streak in which the only set he had lost was to Argentinian Tomas Martin Etcheverry in the second round of the Shanghai Masters on October 6.