In the Australian Open, Jannik Sinner overcame Tristan Schoolkate in four sets, despite a challenging start. Sinner prevailed 4-6, 6-4, 6-1, 6-3. Sinner's coach Darren Cahill will retire post-season.

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,

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.

But having stunned ninth seed Andrey Rublev in straight sets in the first round, the teenager went down fighting, Italy’s Lorenzo Sonego pulling through 6-7 (6-8), 6-3, 6-1, 3-6, 6-3 to disappoint the vocal Brazilian fans.

Jannik Sinner for the first time since October lost a set as an incredible streak ended at the Australian Open but he still prevailed against the Aussie ace Tristan Schoolkate 4-6, 6-4, 6-1, 6-3 in the second round to quell the potential upset charge.

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.

Jannik Sinner has admitted he was 'struggling' to cope with the breezy conditions at the Australian Open as he beat Tristan Schoolkate in four sets on Thursday morning. The world No 1 is hoping to defend his title Down Under,

Italy's world number one and defending champion Jannik Sinner came from a set down to beat local boy Tristan Schoolkate 4-6 6-4 6-1 6-3 and reach the third round of the Australian Open on Thursday. Australian wildcard entry Schoolkate,