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).

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

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,

Daniil Medvedev’s meltdown and Danielle Collins’s squabble with the Aussie fans made headlines, while Aryna Sabalenka and Iga Świątek keep rolling.

Daniil Medvedev earns code violation for racket abuse before rallying past wild card entrant; Taylor Fritz carries U.S. banner forward.

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.

Daniil Medvedev used his racket to smash a tiny camera attached to the net at the Australian Open while he was trailing someone ranked 418th before eventually avoiding a monumental upset and ...

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.

Daniil Medvedev of Russia reacts during his round 2 match against Learner Tien of USA during the 2025 Australian Open at Melbourne Park in Melbourne, Thursday, January 16, 2025. / IMAGO / AAP ...