Learner Tien of the U.S. celebrates after winning his second round match against Daniil Medvedev of Russia at the Australian Open tennis championship in Melbourne, Australia, in the early hours of ...

Learner Tien, a 19-year-old from California, became the youngest American man to reach the Australian Open's third round since 1990, upsetting No. 5 Daniil Medvedev in five sets.

LIVE – Updated at 17:29. The Australian Open has seen its biggest shock so far as 19-year-old American qualifier Learner Tien stunned three-time finalist Daniil Medvedev in a five-set epic to ...

Learner Tien ranking Tien entered the Australian Open with an ATP ranking of 121. He is currently projected to enter the top 100 once new rankings are published after the tournament.

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 racket-tossing Daniil ...

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 ...

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 ...