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, defending his Australian Open title, shares an emotional update about his coach following his second-round victory as he prepares for a third-round clash with Marcos Giron.

Jannik Sinner has confirmed that he will split from coach Darren Cahill at the end of the season. The highly-regarded Australian mentor will see out the 2025 campaign before stepping back from the full-time tennis circuit.

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.

World No.1 Jannik Sinner has confirmed this year will be his last with Australian master coach Darren Cahill. In his media conference after defeating Aussie Tristan Schoolkate on Thursday night, Sinner revealed Cahill’s plans to retire at the end of 2025.

Defending champion Jannik Sinner has defeated 46th-ranked Marcos Giron of the U.S. 6-3, 6-4, 6-2 at the Australian Open

Defending champion Jannik Sinner was not at his fluent best but still had too much firepower for unseeded American Marcos Giron as he sealed a 6-3 6-4 6-2 win and reached the fourth round of the Australian Open on Saturday.