Fri Jan 17 02:02:31 UTC 2025: ## Teen Sensation Tien Upsets Medvedev at Australian Open

**Melbourne, Australia –** In a stunning upset that captivated fans late into the night, 19-year-old American qualifier Learner Tien defeated World No. 5 Daniil Medvedev in the second round of the Australian Open 2025. The match, played on Thursday, January 16th at Margaret Court Arena, lasted an epic four hours and 48 minutes, concluding at 2:55 a.m. Tien emerged victorious with a thrilling 6-3, 7-6 (7-4), 6-7 (8-10), 1-6, 7-6 (10-7) win.

Tien, currently ranked No. 121 in the ATP rankings, displayed remarkable resilience throughout the match. He overcame a strong comeback from Medvedev, who saved a match point in the third set and dominated the fourth. However, Tien’s determination shone through, particularly in the final set tie-break where he rallied from 6-8 down to secure the victory. Despite a higher number of unforced errors (79) compared to his 53 winners, and Medvedev’s 20 aces against his 7, Tien’s aggressive play proved decisive.

This victory marks a significant milestone for Tien. He becomes the youngest American to defeat a top-five ATP player in a major since 1990 and the youngest American to reach the third round at Melbourne Park since Pete Sampras in 1990.

Tien will face Corentin Moutet in the third round, after Moutet’s win against Mitchell Krueger. The tennis world eagerly anticipates Tien’s next performance following this monumental upset.

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