Tien, 19, become youngest American man to reach the Australian Open's third round since Pete Sampras did so aged 18 in 1990.

Tien is ranked 121st and owned a career Grand Slam record of 0-3 before this week; Medvedev was seeded No. 5, won the 2021 ...

Last year’s runner-up Daniil Medvedev was dumped out in the Australian Open second round early Friday morning by 19-year-old ...

The 19-year-old who was a late qualifier to the Grand Slam secured the biggest win of his young career on Thursday ...

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.

In a dramatic second-round upset at the Australian Open, 19-year-old qualifier Learner Tien defeated last year's runner-up ...

Learner Tien is set for a massive rankings rise after stunning world No 5 Daniil Medvedev at the Australian Open.

Inspired American teenager Learner Tien outlasted three-times Australian Open runner-up Daniil Medvedev to reach the third round with a 6-3 7-6(4) 6-7(8) 1-6 7-6(7) victory in a ...

Daniil Medvedev lost to 19-year-old qualifier Learner Tien 6-3, 7-6 (7/4), 6-7 (8/10), 1-6, 7-6 (10/7) in the second round of the Australian Open.

Iga Swiatek romped into a showdown with Emma Raducanu in early Australian Open second-round action Thursday ahead of Jannik Sinner stepping up the defense of his Melbourne Park title.