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

Of the three upsets, Tien's win over Medvedev was the biggest given the latter's accomplishments — a three-time Australian ...

Joao Fonseca, an 18-year-old tennis sensation from Brazil, captivated fans at the Australian Open with his remarkable performance against top players. Despite a second-round defeat to Lorenzo Sonego ...

American qualifier Learner Tien shocked the tennis world on Thursday when he upset last year's Australian Open runner-up Daniil Medvedev in a nearly five-hour, five-set match in the second round.

In a stunning Australian Open upset, 19-year-old American qualifier Learner Tien knocked out former finalist Daniil Medvedev ...

Defending champion Jannik Sinner lost his first set since October but recovered to beat Tristan Schoolkate and reach the third round of the Australian Open. Sinner has been untouchable in recent ...

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

Learner Tien will break the top 100 of the ATP Rankings after stunning former world No 1 and three-time Australian Open ...

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

There are six American men and five American women in the third round. Tommy Paul, Coco Gauff and Jessica Pegula all play Thursday. No. 17 Frances Tiafoe, a two-time U.S. Open semifinalist, was upset ...

Furious Daniil Medvedev battles qualifier Learner Tien, Emma Raducanu issues injury update - Raducanu set up a clash with Iga ...

Joao Fonseca ended his winning streak in the Australian Open second round. The young gun suffered a 6-7, 6-3, 6-1, 3-6, 6-3 ...