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

At the age of 19, Learner Tien defeated Daniil Medvedev in a five-set thriller that finished just before 3 a.m. in Melbourne.

American teenager Learner Tien produced arguably the biggest shock of the Australian Open so far as he defeated last year’s runner-up Daniil Medvedev in five sets, 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (7).

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

Learner Tien has announced himself on the world stage with a huge upset victory over world No. 5 Daniil Medvedev, emerging as ...

Learner Tien stunned 5th seed Daniil Medvedev in five sets at the 2025 Australian Open on Thursday. The 2nd-round match at the Margaret Court Arena saw Medvedev suffer a shocking defeat. Tien stunned ...

Copyright 2025 The Associated Press. All Rights Reserved. Daniil Medvedev of Russia reacts during his second round match ...

Learner Tien stunned the tennis world on Thursday, claiming an upset second round victory over Daniil Medvedev at the Australian Open. The teenage talent beat the No. 5 seed in a thrilling five ...

American Learner Tien upset No. 5 seeded Daniil Medvedev 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (10-7) at the 2025 Australian Open, ...

Daniil Medvedev is fined over £60,000 for unsportsmanlike conduct following his on-court antics at this year's Australian ...

Daniil Medvedev has been fined for misconduct after his shocking defeat in the second round of the Australian Open 2025.

But the much heavier fine of the two – a $107,000 fine – was for “inappropriate behaviour” during his second-round defeat to ...