American qualifier Learner Tien shocked the tennis world on Thursday when he upset last year's Australian Open runner-up Daniil Medvedev in a nearly five-hour, five-set match in the second round.

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

Learner Tien stuns Daniil Medvedev in a thrilling five-set battle, while Jannik Sinner stages a remarkable comeback at the ...

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 from California, became the youngest American man to reach the Australian Open's third round ...

Learner Tien, a 19-year-old qualifier from California, notched the biggest upset of the 2025 Australian Open to date by ...

Three-time finalist Daniil Medvedev, on Thursday, suffered a shocking second-round exit at the 2025 Australian Open. The ...

The 19-year-old from Irvine, California nearly lost a two-set lead from match point up but held off a late surge from a former world No. 1 to win the biggest match of his career.