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,

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.

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.

Learner Tien beats Daniil Medvedev, is youngest American man in Australian Open’s 3rd round since Pete Sampras in 1990.

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.

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

The outcome was eyebrow-raising because of the wide gulf in experience and accomplishments between the two players at Margaret Court Arena.

Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990, upsetting Daniil Medvedev in five sets on Thursday.

American teenager Learner Tien on Saturday became the youngest male player to reach the fourth round of the Australian Open since Rafael Nadal in 2005. The 19-year-old southpaw beat unseeded Frenchman Corentin Moutet in straight sets, 7-6, 6-3, 6-3, in the third round to set up a fourth-round clash with Italian veteran Lorenzo Sonego.

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.