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) — Daniil Medvedev used his racket to smash a tiny camera attached to the net at the Australian Open while he was trailing someone ranked 418th before eventually avoiding a monumental upset and winning 6-2, 4-6, 3-6, 6-1, 6-2 in the first round at Rod Laver Arena on Tuesday.

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, 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 a racket-tossing Daniil Medvedev 6-3,

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

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 said it was "pretty crazy" after becoming the youngest man to reach the Australian Open fourth round since Rafael Nadal in 2005 when he overcame Frenchman Corentin Moutet on Saturday.

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.

Last year's Australian Open runner-up, Daniil Medvedev, will not repeat that result during the current campaign. After a massive battle, world no. 5 fell in the second round to Learnen Tien, suffering an early loss and heading home.

Tien's win in the battle of lefthanders came two days after he pulled off the upset of the tournament by beating former U.S. Open champion and three-times finalist Daniil Medvedev in a five-set thriller.