The ATP Rankings have been updated following the 2025 Australian Open with Jannik Sinner still way on top after sealing his back-to-back Australian Open victory.

Jannik Sinner continued to occupy the No. 1 spot in the latest ATP Rankings released on Monday after winning his second straight Australian Open title.

Jannik Sinner is well on his way to becoming one of the greats in tennis. The Italian is an exceptional talent on the court, and at only 23 years old, he has a long career ahead of him.

Australian Open ending, some ATP rankings shifted, and players moved up and down the ranking charts. However, Jannik Sinner remained No.

Four-time major champion Naomi Osaka and World No. 1 Aryna Sabalenka headline the women's competition, while World No. 1 Jannik Sinner, Alexander Zverev and Americans Taylor Fritz and Tommy Paul will compete as well.

Jannik Sinner has been the number one in the men's ranking since last June. The decisive moment was the semifinal at the last Roland Garros, which handed him the leadership in the rankings for

Defending Australian Open champion Jannik Sinner topped Alexander Zverev in straight sets, 6-3, 7-6, 5-3 in the 2025 Australian Open final, cementing his third career Grand Slam title.

Tennis insider Jose Morgado shared his thoughts on Alexander Zverev, Taylor Fritz, and Tommy Paul participating in exhibition tournaments that overlap with the official ATP calendar.

Jannik Sinner is world No. 1 -- and the defending Australian Open champion. Can Alexander Zverev upset him? Our experts weigh in.

Jannik Sinner and Alexander Zverev is all set to lock horns in an exciting men's singles final at the Australian Open 2025 on Sunday, January 26. Both men are in stunning form with Sinner looking to retain his crown while Zverev aiming for his maiden Grand Slam title.

Top-ranked Jannik Sinner, No. 2 Alexander Zverev, women’s No. 1 Aryna Sabalenka and former No. 1 Naomi Osaka will play exhibition matches March 1-2 in Las Vegas.

There was not a lot separating Jannik Sinner and Alexander Zverev heading into the Australian Open final. But after the Italian's successful title defence, the two players appear to be on two different trajectories.