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

Here is everything you need to know about Learner Tien vs. Lorenzo Sonego, including TV and streaming options for the match.

Tien caused an upset at the Australian Open on Thursday, dumping out No. 5 seed Daniil Medvedev in a five-set thriller.

MELBOURNE, Australia (AP) — Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990, upsetting a ...

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

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 is 19, and Michelsen is 20.

Daniil Medvedev is out of the Australian Open after being bested by American qualifier Learner Tien, who was forced to ...

Former German player Andrea Petkovic has pointed out what she liked the most in youngsters Joao Fonseca, Jakub Mensik and ...

Khuong Dan Tien and Huyen Tien are the parents of Learner Tien. His parents played tennis for recreational purposes and introduced their son to tennis. Tien picked up his tennis racket when he was ...

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

MELBOURNE, Australia — Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990, upsetting a ...