Naomi Osaka, a two-time champion in Australia, stopped playing because of a strained abdominal muscle after dropping the first set of her match against Tokyo Olympics gold medalist Belinda Bencic.

In the Australian Open Round of 16 on Sunday, No. 1-ranked Jannik Sinner takes on No. 13 Holger Vitus Nodskov Rune.Sinner enters the Round of 16 after his three-set win on Saturday over Marcos

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

It's an up-and-down day for favorites and the husband-and-wife duo of Gaël Monfils and Elina Svitolina wo their singles matches.

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

Sinner moved into the fourth round of the Australian Open with a fairly routine 6-3 6-4 6-2 victory over American Marcos Giron in just over two hours on Saturday night. The world No. 1 wasn’t at his brilliant best, but he was still far too strong for Giron as he reached the last 16 of the grand slam tournament he won last year.

According to renowned sports scientist Dr. Ross Tucker, there’s a possibility that Jannik Sinner deliberately used the banned anabolic steroid clostebol.

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

Recognized as one of the young guns to beat, Sinner rose to the challenge in the second part of 2023. The Italian reached the Wimbledon semi-final and scored 32 wins in the final 37 matches of the year. The youngster claimed his first Masters 1000 crown in Toronto.

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 was trying to "battle test" some new shots in his win over Marcos Giron because Carlos Alcaraz "still has an extra gear" - believes Jim Courier.