Copyright 2025 The Associated Press. All Rights Reserved. Daniil Medvedev of Russia reacts during his second round match against Learner Tien of the U.S. at the ...

The Russian, a three-time beaten finalist, crashed out of the tournament in the second round following a five-set loss to American teenager Learner Tien.

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

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

While Medvedev escaped a fine for the media no-show, the Russian has now been slugged with $122,000 worth of fines for separate outbursts in the tournament. The Russian World No.5 copped a $16,000 fine for breaking a net camera after smashing his racquet into the net during his first-round win.

Daniil Medvedev's 2025 season has started in the worst possible way. The Russian champion – finalist at Melbourne Park in 2021, 2022 and 2024 – was eliminated already in the second round of the Australian Open by the young American talent Learner Tien (World No.121) after a very tough battle that ended late at night.

Learner Tien, a 19-year-old qualifier from California, notched the biggest upset of the 2025 Australian Open to date by beating No. 5 seed and 2024 finalist, Daniil Medvedev, in five sets. Tien won 6-3,

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

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).

Add articles to your saved list and come back to them any time. World No.5 Daniil Medvedev has been whacked with fines totalling more than $120,000 for two incidents in his first and second round matches at the Australian Open, including when he whacked a ...

Daniil Medvedev has been fined a total of USD 76,000 for his camera and racket smashing outbursts during the first two rounds of the Australian Open.