World No. 5 Daniil Medvedev has been fined more than US$76,000 for two separate incidents which occured during his first and second-round matches at the Australian Open.

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 has used his racket to smash a tiny camera attached to the net at the Australian Open while he was trailing in his first-round match in the main stadium