Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third ...
Learner Tien has become the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990.
The official YouTube channel of the Australian Open has players going about their business in cartooned versions ...
Learner Tien pulled off a massive upset against Daniil Medvedev at the Australian Open. So, who is Tien, the 19-year-old out ...
USA wildcard Learner Tien has stunned the world by upsetting last year's runner-up Daniil Medvedev after a gruelling five-set ...