There was one gigantic second round upset at the 2025 Australian Open in Melbourne. In a match that lasted four hours and 49 minutes, Learner Tien of Irvine, California, the 121st ranked player in the world, stunned 2021 United States Open champion and world number five Daniil Medvedev of Russia, 6-3, 7-6, 6-7, 1-6, 7-6. Medvedev looked completely perplexed and confused at times during the match. He also became completely flustered in the second set tiebreak, when he was called for a foot fault. Heading into the fifth set, it seemed like Medvedev had the momentum after dominating set four, but in the end lost 10-7 in a super tiebreak.
Tien is the only qualifier remaining in the men’s singles draw. One area of his game which is mighty impressive is his backhand. Tien, who is only 19 years of age, will next play Corentin Moutet of France.
