The outcome was eyebrow-raising because of the wide gulf in experience and accomplishments between the two players at ...

Learner Tien is the youngest American man to reach the third round of the Australian Open since an 18-year-old Pete Sampras ...

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

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

Learner Tien, a 19-year-old American qualifier, has outlasted marathon man Daniil Medvedev in an astonishing Australian Open ...

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