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 achieved an unprecedented feat in the past 20 years following his stunning victory over Daniil Medvedev in the second round of the Australian Open.

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.

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.

A teenager, Learnen Tien, came to Melbourne with a 0-3 score at Majors. The 19-year-old American qualified for the Australian Open main draw and scored two five-setter wins. Learnen faced world no. 5 and last year's finalist Daniil Medvedev in the second round.

Learner Tien pulled off a massive upset against Daniil Medvedev at the Australian Open. So, who is Tien, the 19-year-old out of California?

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.

At the age of 19, Learner Tien defeated Daniil Medvedev in a five-set thriller that finished just before 3 a.m. in Melbourne.