Coco Gauff and Jannik Sinner were among the top tennis stars to advance through first-round victories Monday at the 2025 Australian Open. Stefanos Tsitsipas, Grigor Dimitrov and Victoria Azarenka left Melbourne early.

Jannik Sinner launched his Australian Open title defence with a battling straight-sets win on Monday as Iga Swiatek and Coco Gauff also powered into round two.

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

It has been about four months since Jannik Sinner and Aryna Sabalenka polished off their US Open titles in comfortable fashion. Sinner dropped only two of 23 sets, while Sabalenka dropped only one of 15, and both won their second Slam titles of 2024 on their way to year-end No. 1 rankings.

The best players in the sport of tennis are in Melbourne to compete in the third round of the 2025 Australian Open. After the second round of the men's and wome

MELBOURNE, Australia — (AP) — Coco Gauff had a little difficulty ... defending champion Jannik Sinner, Carlos Alcaraz, and women's No. 2 Iga Swiatek.

Jan. 13 (UPI) --Coco Gauff and Jannik Sinner were among the top tennis stars to advance through first-round victories at the 2025 Australian Open on Monday in Melbourne. Stefanos Tsitsipas ...

The best players in the sport of tennis are in Melbourne to compete in the second round of the 2025 Australian Open after the first round of the men's and women

MELBOURNE, Australia — (AP) — After wasting a set point in the second tiebreaker with an ill-conceived drop shot, Jannik Sinner quickly ... on John Cain Arena. Coco Gauff had a little ...