Learner Tien has become the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990.

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

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

In the Australian Open Round of 64 on Wednesday, we have a matchup featuring No. 5-ranked Daniil Medvedev against No. 121 ...

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

Furious Daniil Medvedev trails qualifier Learner Tien, Emma Raducanu issues injury update - Raducanu set up a clash with Iga ...

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

Donald Trump's nominees for top national security jobs said they would not prioritize their loyalty to the president-elect over their duty to the country in U.S. Senate hearings on Wednesday ...

The Russian world No. 2 has highlighted a big double standard after he was told he couldn’t compete at a tournament he loves.