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.

French veteran Gaël Monfils rolled back the years to stun the USA’s No. 4 seed Taylor Fritz in the third round of the Australian Open on Saturday, winning 3-6 7-5 7-6(1) 6-4 after three hours and eight minutes of scintillating tennis.

Fourth-seeded Taylor Fritz continued to display his top form on Thursday at the Australian Open, routing Chilean qualifier Cristian Garin 6-2, 6-1, 6-0 in second-round action. In his two victories, Fritz has lost a total of eight games.

American teen Learner Tien pulled off the biggest upset so far at the 2025 Australian Open, ousting Russian Daniil Medvedev -- the No. 5 player in the world -- in a 4-hour, 49-minute thriller at Margaret Court Arena.

Learner Tien pulled off the most stunning upset of the 2025 Australian Open on Thursday. The American qualifier took down three-time Australian Open

There are six American men and five American women in the third round. Tommy Paul, Coco Gauff and Jessica Pegula all play Thursday. No. 17 Frances Tiafoe, a two-time U.S. Open semifinalist, was upset by Hungary’s Fábián Marozsán in five sets in the second round.

Taylor Fritz and Tommy Paul are among five American men advancing to the third round of the 2025 Australian Open.

After punctuating his victory with a 134 mph ace -- his 24th of the afternoon, doubling Fritz's total -- Monfils ... his surprising win against No. 5 Daniil Medvedev in a five-setter that ended ...

Up and down day for favorites and the husband-and-wife duo of Gaël Monfils and Elina Svitolina win their singles matches.

Day 5 of the Australian Open 2025 was packed with unforgettable moments as Learner Tien shocked the tennis world by defeating Daniil Medvedev in a thrilling five-set battle. Jannik Sinner and Taylor Fritz dominated their matches,

Taylor Fritz of the U.S. celebrates after defeating Cristian Garin of Chile in their second round match at the Australian Open tennis championship in Melbourne, Australia. Alex de Minaur of ...

In the men's singles category, Jannik Sinner, Taylor Fritz and Daniil Medvedev will be in action, while Iga Swiatek, Elena Rybakina and Ons Jabuer will also play their respective matches.