Jannik Sinner will part ways with veteran coach Darren Cahill after this season, the world's top-ranked tennis player revealed Thursday in Melbourne, where Sinner advanced to the third round of the Australian Open.

Jannik Sinner kicked off his first match in thmaGrand Slam as the reigning champion and delivered a stellar performance for his fans. On the Rod Laver Arena, in his 80th main draw match of

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

Sinner will start against Chilean Nicolas Jarry, and Novak Djokovic faces Nishesh Basavareddy of the United States. Read more at straitstimes.com.

"Jannik Sinner should be suspended because every athlete is responsible for what goes into his body," Sorgal began. "In the event of acquittal, the entire anti-doping system would make itself ridiculous in the eyes of the world," he added.

Darren Cahill will no longer be the coach of Jannik Sinner from 2026 onwards according to the World No.1 after he defeated Tristan Schoolkate at the 2025 Australian Open on Thursday.

The top-ranked Sinner, who is the defending champion at Melbourne Park, and No. 3 Alcaraz are coming off a 2024 season in which they each won two Grand Slam titles.

The first round of the Australian Open continues on Monday at Melbourne Park where top seed and defending champion Jannik Sinner seeks a third Grand Slam title while Novak Djokovic begins his quest for a record-extending 25th major.

Felix Auger-Aliassime believes it's time to raise the bar so as not to let Carlitos Alcaraz and Jannik Sinner to take it all.