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

Learner Tien has stunned the tennis world, claiming an upset victory over Daniil Medvedev at the Australian Open.

In a dramatic second-round upset at the Australian Open, 19-year-old qualifier Learner Tien defeated last year's runner-up Daniil Medvedev in five sets. The marathon match ended with a 7-6 (10/7 ...

U.S. 19-year old Learner Tien defeated No. 5 Daniil Medvedev in a fifth set tiebreaker in the Australian Open, making history ...

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 racket-tossing Daniil Medvedev 6-3 ...

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

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 racket-tossing Daniil Medvedev 6-3 ...

MELBOURNE– Inspired American teenager Learner Tien outlasted three-time Australian Open runner-up Daniil Medvedev to reach ...