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 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 ...

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 ...

The 19-year-old who was a late qualifier to the Grand Slam secured the biggest win of his young career on Thursday ...

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

The 19-year-old from Irvine, California nearly lost a two-set lead from match point up but held off a late surge from a former world No. 1 to win the biggest match of his career.

Learner Tien beats Daniil Medvedev, is youngest American man in Australian Open’s 3rd round since Pete Sampras in 1990 ...