It's an up-and-down day for favorites and the husband-and-wife duo of Gaël Monfils and Elina Svitolina wo their singles matches.

The potential championship matchups should bring a lot of intrigue to the first Grand Slam tournament of the year

The final match of the day saw American Learner Tien, playing in his first major outside of the U.S. Open, upset No. 5 seed Daniil Medvedev in a five-set classic, 6-3, 7-6, 6-7, 1-6, 7-6, that ended at 2:54 a.m. local time. Medvedev had reached three of the past four Australian Open finals, but could not fend off a ferocious Tien.

The quarterfinals are underway at Melbourne Park, as rumours abound about Jannik Sinner's health ahead of his clash with Alex de Minaur. Follow live.

The World Anti-Doping Agency (WADA) said on Monday it would not lodge an appeal to the Court of Arbitration for Sport (CAS) in the case of Iga Swiatek after the former world number one tested positive for prohibited substance trimetazidine (TMZ).

Call to the Hall, pond hockey, Novak's shot at history, NBA midseason grades, wild Bills-Chiefs stat, and more.

Fourth-round wrapped up at the 2025 Australian Open with men's world No. 1 Jannik Sinner and women's No. 2 Iga Swiatek among those to advance to the quarterfinals.

MELBOURNE, Australia (AP) — Iga Swiatek, a self-described “control freak ... the worst time in my life.” Jannik Sinner, another player who spent time at No. 1 and tested positive in 2024, said ahead of the Australian Open, where he's the defending ...

Former Wimbledon champion Elena Rybakina joined Swiatek in the last 16 with a 6-3 6-4 win over Dayana Yastremska, but only after receiving treatment on her back, while eighth seed Emma Navarro and ninth seed Daria Kasatkina also advanced.

The quarter finals have well and truly arrived at the Australian Open with four singles matches set to light up Melbourne Park on Wednesday. Madison Keys will kick off proceedings at Rod Laver Arena as one of three Americans to star on the day when she takes on Elina Svitolina.

Alex de Minaur is facing off with top seed and defending champion Jannik Sinner for a spot in the Australian Open semifinals against American Ben Shelton. Follow live.