The Irvine native and 19-year-old qualifier, who played one semester at USC, wins a 4-hour, 49-minute thriller that ends at ...

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

USA wildcard Learner Tien has stunned the world by upsetting last year's runner-up Daniil Medvedev after a gruelling five-set marathon.

Learner Tien became the first qualifier to claim an ATP top-five win at the Australian Open since Guillermo Garcia Lopez, who ...

In his debut Australian Open, the American ranked 121 stunned the world number five Daniil Medvedev 6-3, 7-6 (7/4), 6-7 (8/10 ...

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, became the youngest American man to reach the Australian Open's ...

Defending champ Jannik Sinner moved through to the third round while last year’s runner-up, Daniil Medvedev, is out.

By defeating world No. 5 Daniil Medvedev, Learner Tien of the United States has become the third teenager to dispatch a Top 10 opponent at the Australian Open ...

Tien, 19, become youngest American man to reach the Australian Open's third round since Pete Sampras did so aged 18 in 1990.

Last year’s runner-up Daniil Medvedev was dumped out in the Australian Open second round early Friday morning by 19-year-old ...