Defending champion Jannik Sinner has defeated 46th-ranked Marcos Giron of the U.S. 6-3, 6-4, 6-2 at the Australian Open.

While the action in Melbourne is over, the results are still being felt. On Monday, the ATP Rankings saw a realignment after the Australian Open. Below is a breakdown of what fans must know about the ATP Rankings as of January 27, 2025.

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.

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

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

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.

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.

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

MELBOURNE, Australia — 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 ...

Tennis - Australian Open - Melbourne Park, Melbourne, Australia - January 18, 2025 Italy's Jannik Sinner in action during his third round match against Marcos Giron of the U.S. REUTERS/Kim Kyung ...

The sound of more than 14,000 tennis fans cheering his name did not make Rotorua 9-year-old Grayson Verran nervous when he performed the coin toss at Melbourne’s Rod Laver Arena during the Australian Open.

Italian tennis continues its rise as the country currently has the most players in the top 100 of the ATP Rankings with Jannik Sinner at the forefront of their surge. The 23-year-old Sinner has been top of the rankings since he June 2024 when he became the first Italian to climb to No 1.