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.

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

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

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

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

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

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 ...

Long-time friends Alex Michelsen and Learner Tien joined forces ... Nadal to reach the fourth round of the Australian Open. Upon hearing that link, Tien was quick to shrug it off.