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.

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

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

Learner Tien, a 19-year-old from California, toppled No. 5 seed Daniil Medvedev at the Australian Open. He’s now the youngest ...

After squandering a match point during the third set, Learner Tien was blitzed 6-1 in the fourth set by Daniil Medvedev. It looked as if the 19-year-old American - coming off a five-set win in ...

RELATED: Danielle Collins thanks booing Australian Open fans for 'paying my bills' Tien outlasted No. 5 seed Daniil Medvedev in a ... The native of Irvine, California, also became the first ...

MELBOURNE, Australia — Daniil Medvedev has been fined a total of $76,000 for his camera and racket smashing outbursts during the first two rounds of the Australian Open. The fines were published ...

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

World No.5 Daniil Medvedev has been will lose the majority of his prize money from the Australian Open after being slugged with a huge fine for his bad bahaviour last week. Medvedev was eliminated ...

MELBOURNE, Australia (AP) — Daniil Medvedev has been fined a total of $76,000 for his camera and racket smashing outbursts during the first two rounds of the Australian Open. The fines were published ...