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 has become the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990.

In the Australian Open Round of 64 on Wednesday, we have a matchup featuring No. 5-ranked Daniil Medvedev against No. 121 ...

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

Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third ...

American teen Learner Tien pulled off the biggest upset so far at the 2025 Australian Open, ousting Russian Daniil Medvedev - ...

American teenager Learner Tien produced arguably the biggest shock of the Australian Open so far as he defeated last year’s ...

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

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