Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990, upsetting a racket-tossing Daniil Medvedev 6-3,

Learner Tien, a 19-year-old qualifier from California, notched the biggest upset of the 2025 Australian Open to date by beating 2024 finalist and No. 5 seed, Daniil Medvedev in five sets, 6-3, 7-6(4),

Australian Open 2025: 19-year-old American Learner defeated World No.5 Daniil Medvedev in the second round of the men's singles at the Margaret Court Arena in four hours and 48 minutes.

MELBOURNE, Australia (AP) — 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 winning 6-2, 4-6, 3-6, 6-1, 6-2 in the first round at Rod Laver Arena on Tuesday.

Daniil Medvedev is out of the Australian Open after losing to American qualifier Learner Tien in the biggest upset of the tournament so far. The 28-year-old was taken all the way to a deciding set by his teenage opponent, with the match going on for nearly five hours and ending just before 3:00am.

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

Daniil Medvedev praised his Australian Open first round opponent Kasidit Samrej after being stretched to five sets by the 418th-ranked Thai wildcard before winning 6-2 4-6 3-6 6-1 6-2 on Tuesday.

Daniil Medvedev threw his tennis racket along the floor and into the advertising hoardings in a second meltdown this week at the Australian Open. We'll be bringing you the very latest updates, pictures and video on this breaking news story.

Daniil Medvedev used his racket to smash a tiny camera attached to the net at the Australian Open before rallying to avoid being upset in the first round.