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

American Learner Tien kept the teenage revolution going at the Australian Open by reaching the fourth round on Saturday after ...

Learner Tien and Alex Michelsen were born about 15 months apart and first crossed paths a decade ago when they were playing ...

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

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

Learner Tien celebrated his shock Australian Open victory over three-times runner-up Daniil Medvedev in true teenage fashion, ...

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

These answers may be terse, but they shouldn’t be mistaken for rudeness or thoughtlessness. Tien gets his point across, usually with a smile, and then shuts up. He seems to have the quiet focus of a ...

The 19-year-old won an all-lefty encounter in straight sets over the Frenchman, who struggling with cramping in the third set Saturday.

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