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

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

Learner Tien has stunned the tennis world, claiming an upset victory over Daniil Medvedev at the Australian Open.

American qualifier Learner Tien shocked the tennis world on Thursday when he upset last year's Australian Open runner-up ...

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

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 ...