Defending champion Jannik Sinner beat 46th-ranked Marcos Giron of the U.S. 6-3, 6-4, 6-2 at the Australian Open on Saturday night, reaching the fourth round at Melbourne Park for the fourth time. Sinner stretched his unbeaten run to 17 matches,

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 (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,

Follow live text and radio commentary featuring Emma Raducanu, Iga Swiatek and Jannik Sinner in the Australian Open in Melbourne, Australia.

Watch the match highlights between Jannik Sinner & Marcos Giron in Round 3 of the 2025 Australian Open Men's Singles Tournament Tennis.