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.

Jannik Sinner continues Australian Open defence with straightforward win; Gael Monfils, 38, dumps out fourth seed Taylor Fritz; American teen sensation Learner Tien also progresses in Melbourne; watch

Jannik Sinner (No. 1 ranking) will take on Marcos Giron (No. 46) in the Round of 32 of the Australian Open on Friday, January 17.Sinner earned a four-set victory over Tristan Schoolkate (4-6, 6-4,

World number one Jannik Sinner has now claimed 64 match wins at the majors, which moves him clear of Andreas Seppi (63) for the outright second most of any Italian in the Open Era, behind only Fabio F

World No. 1 men's singles tennis ace, Jannik Sinner, has made it to the fourth round of the Australian Open. The defending champion showed a lot of composure in a 6-3, 6-4, 6-2 win over Marcos Giron in the third round on Saturday. Sinner bossed the show on the Rod Laver Arena, reaching the 4th round at AO for the 4th time. Here's more.

Jannik Sinner defeats Marcos Giron in straight sets to advance to the round of 16 at the Australian Open.

Jannik Sinner faces Marcos Giron at the 2025 Australian Open. Our Australian Open odds series has our Sinner-Giron prediction, odds and pick. Find out how to watch Sinner Giron. Jannik Sinner is moving forward at this Australian Open,