World number one Jannik Sinner advanced to the Australian Open last 16, defeating American Marcos Giron in straight sets in Melbourne. Ruthless Sinner

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

MELBOURNE, Australia (AP) — 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.

Originally published as Australian Open 2025 Day 7: Live scores, updates and news from Melbourne Park An Englishman with a thirst for five-set matches and breaking Australians hearts has struck again.

Jannik Sinner says he "still has room to improve" in his Australian Open title defence after beating Marcos Giron to reach the fourth round.

Italian world number one Sinner dropped a set for the first time in 14 matches in the second round of the competition.

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,

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.

World number one Jannik Sinner continues his Australian Open title defence against Marcos Giron in the third round - follow live.

Ruthless defending champion Jannik Sinner was in the zone Saturday as he powered into the last 16 of the Australian Open with a straight-sets thrashing of American Marcos Giron.

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Get caught up on the Australian Open with a guide that tells you everything you need to know about how to watch the year’s first Grand Slam tennis tournament, what the betting odds are, what the schedule is and more: How to watch the Australian Open on TV — In the U.