Rising American star Alex Michelsen has pulled off another surprise victory to reach the fourth round of the Australian Open. The 20-year-old backed up his first-round upset of world #11 and 2023 Australian Open runner-up Stefanos Tsitsipas with a straight-sets demolition of 19th seed Karen Khachanov on Saturday,

Daniil Medvedev, who was the runner-up in last year’s Australian Open, had a forgetful campaign at Melbourne Park. He got crashed out of the tournament in the second round but not without creating controversy due to which he was slapped with a $76,

American qualifier Learner Tien became the youngest man to reach the Australian Open fourth round in 20 years as he beat an ailing Corentin Moutet 7-6(10) 6-3 6-3 on Saturday, continuing the teenager's fairytale run at Melbourne Park.

American Learner Tien upset No. 5 seeded Daniil Medvedev 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (10-7) at the 2025 Australian Open, in a 4-hour, 49-minute match that began Thursday night and ended early Frid

Learner Tien has become the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990

U.S. 19-year old Learner Tien defeated No. 5 Daniil Medvedev in a fifth set tiebreaker in the Australian Open, making history in Melboune.

Learner Tien, a 19-year-old from California, became the youngest American man to reach the Australian Open's third round since 1990, upsetting No. 5 Daniil Medvedev in five sets.

Another day, another teenager ousting a top-10 player at the 2025 Australian Open. That has been the theme of the year's first major, with Brazilian Joao Fonseca defeating No. 9 Andrey Rublev, Czech teenager Jakub Mensik ousting No. 6 Casper Ruud, and now, American teenager Learner Tien taking down No. 5 Daniil Medvedev.

MELBOURNE, Australia (AP) — Learner Tien beats Daniil Medvedev, is youngest American man in Australian Open’s 3rd round since Pete Sampras in 1990.

Teenage qualifier Learner Tien on Saturday became the youngest man to reach the Australian Open fourth round since Rafael Nadal in 2005 when he overcame injured Frenchman Corentin Moutet.

Young gun Alex Michelsen has achieved a 35-year American first with an inspired run to book a last-16 date with home hope Alex de Minaur at the Australian Open.