Learner Tien has announced himself on the world stage with a huge upset victory over world No. 5 Daniil Medvedev, emerging as ...

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

A series of jaw-dropping upsets of top 10 players at the Australian Open by fearless teenagers has fuelled excitement at the future of men's tennis as the old guard fades into history.

It wasn’t often pretty, but two-time defending Australian Open champion Aryna Sabalenka extended a few impressive streaks on Friday while becoming one of the first players to advance to the fourth ...

Learner Tien celebrated his shock Australian Open victory over three-times runner-up Daniil Medvedev in true teenage fashion, ...

A teenager, Learnen Tien, came to Melbourne with a 0-3 score at Majors. The 19-year-old American qualified for the Australian ...

The American, ranked 121 in the world, overcame the former world number one 6-3, 7-6 (7/4), 6-7 (8/10), 1-6, 7-6 (10/7) after four hours and 48 minutes of intense action at Margaret Court Arena.

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