Tien Defeats Medvedev to Reach Australian Open Quarters

Learner Tien, the 20-year-old American ranked 25th, advanced to his first Grand Slam quarterfinal by defeating 11th-seeded Daniil Medvedev 6-4, 6-0, 6-3 in the fourth round of the Australian Open on Sunday in Melbourne, Australia. The straight-sets victory, completed in one hour and 42 minutes on Margaret Court Arena, marked the second consecutive year Tien has eliminated the Russian at the tournament.

Tien broke Medvedev in the opening game to take early control, though the first set remained competitive until he pulled ahead from 4-4. A medical timeout interrupted play after the third game when Tien received treatment for a nosebleed, pausing the match for seven minutes. Undeterred upon resumption, Tien captured the set and then dominated, winning 10 straight games to lead 6-4, 6-0, 4-0 in the third. Medvedev mounted a brief comeback, breaking serve and holding to narrow the gap to 4-3, but Tien responded with composure, securing triple match point before converting on his second opportunity with a backhand passing shot.

The performance highlighted Tien's breakout form following a strong 2025 season, where he captured the ATP Next Gen Finals title and his first ATP Tour...