There are three American men aged 23 and under in the second week of a Grand Slam. That hasn't happened since 2003 ...

For the first time since 1990, two American men aged 20 and younger made the third round in Melbourne.

At the age of 19, Learner Tien defeated Daniil Medvedev in a five-set thriller that finished just before 3 a.m. in Melbourne.

Learner Tien (No. 121) will meet Lorenzo Sonego (No. 55) in the Round of 16 at the Australian Open on Sunday,9.Sonego ...

Learner Tien arrived in Melbourne as the #16 seed in the Australian Open….Qualifying Tournament. Thursday, he continued ...

Two friends from California, Learner Tien and Alex Michelsen, have both reached the fourth round at the Australian Open. Tien ...

American qualifier Learner Tien became the youngest man to reach the Australian Open fourth round in 20 years as he beat an ...

The 19-year-old American upset fifth-seeded Daniil Medvedev in a five-set Australian Open marathon that lasted nearly five ...

Learner Tien won again at the Australian Open today, knocking out France’s Corentin Moutet to progress to the fourth round of ...

The 19-year-old Learner Tien became the youngest player since Rafael Nadal in 2005 to reach this stage of the men's singles ...

Corentin Moutet (No. 69 ranking) will face Learner Tien (No. 121) in the Round of 32 of the Australian Open on Friday, ...

There's been a stunner at the Australian Open, and it came from an American teenager. Qualifier and 19-year-old Learner Tien beat No. 5-ranked and three-time Australian Open finalist Daniil ...