US qualifier Learner Tien stunned No.5 seed Daniil Medvedev beating him in five sets while Danielle Collins made an enemy of the crowd and the Special Ks, who retired hurt.

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.

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?

The California native is the youngest player to reach the third ... This article was originally published on www.si.com as American Teen Tennis Phenom Upsets Daniil Medvedev in Australian Open Five-Set Thriller.

Learner Tien, a 19-year-old qualifier from California, notched the biggest upset of the 2025 Australian Open to date by beating No. 5 seed and 2024 finalist, Daniil Medvedev, in five sets. Tien won 6-3,

American teenager Learner Tien produced arguably the biggest shock of the Australian Open so far as he defeated last year’s runner-up Daniil Medvedev in five sets, 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (7).

The 19-year-old American upset fifth-seeded Daniil Medvedev in a five-set Australian Open marathon that lasted nearly five hours.

Qualifier and 19-year-old Learner Tien beat No. 5-ranked and three-time Australian Open finalist Daniil Medvedev in a five ... A native of Irvine, California, Tien was a successful juniors ...

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 and Is the Youngest US Man in Australia's 3rd Round Since Sampras MELBOURNE, Australia (AP) — Learner Tien, a 19-year-old qualifier from California ...

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 ...

During the fourth set of his marathon Australian Open match against one of the world’s top tennis players, 19-year-old Learner Tien had just one thing on his mind. He desperately needed a ...