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

Day 5 of the Australian Open 2025 was packed with unforgettable moments as Learner Tien shocked the tennis world by defeating Daniil Medvedev in a thrilling five-set battle. Jannik Sinner and Taylor Fritz dominated their matches,

The final match of the day saw American Learner Tien, playing in his first major outside of the U.S. Open, upset No. 5 seed Daniil Medvedev in a five-set classic, 6-3, 7-6, 6-7, 1-6, 7-6, that ended at 2:54 a.m. local time. Medvedev had reached three of the past four Australian Open finals, but could not fend off a ferocious Tien.