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).

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

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

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,

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

In the Australian Open Round of 64 on Wednesday, we have a matchup featuring No. 5-ranked Daniil Medvedev against No. 121 Learner Tien.In Tien’s most recent competition, he fell to Arthur

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.

The former world No. 1 smashed a net camera in his first-round match, and racked up $66,000 in fines for multiple code violations in his second-round loss to American teenager Learner Tien.

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

The quarter-final matches will begin on January 21st and will be live streamed on the SonyLIV app and website in India.

Daniil Medvedev earned A$200,000 (roughly £102,000) for reaching the second round of the 2025 Australian Open, but most of that money will go back to organisers as he has been hit with a staggering fine for a couple of offences during his two matches.