Learner Tien pulled off a massive upset against Daniil Medvedev at the Australian Open. So, who is Tien, the 19-year-old out ...

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

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

American teenager Learner Tien produced arguably the biggest shock of the Australian Open so far as he defeated last year’s ...

The 19-year-old American upset fifth-seeded Daniil Medvedev in a five-set Australian Open marathon that lasted nearly five ...

Daniil Medvedev was handed some hefty fines for his actions at this year's Australian Open. He was fined $10,000 for banging his racket against the net and damaging a camera in the process, then he ...

Medvedev destroyed a tiny camera hanging in the net by repeatedly smacking it with his racket during a surprisingly hard, ...

When they resumed, Medvedev broke and served for the victory at 6-5, but Tien wouldn’t cede a thing, broke back, and forced the concluding first-to-10 tiebreaker that he emerged to win shortly ...

Qualifier and 19-year-old Learner Tien beat No. 5-ranked and three-time Australian Open finalist Daniil Medvedev in a five ... A native of Irvine, California, Tien was a successful juniors ...

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 ...