Daniil Medvedev, 2024 Australian Open runner-up, suffers shock 2nd-round exit; knocked out by qualifier in epic 5-setter
Tien, ranked 121 in the world, bounced back from a break down in each of the first two sets en route to a major upset on Margaret Court Arena. With the win, the 19-year-old became the second-youngest American man to reach the third round at the Australian Open after 18-year-old Pete Sampras in 1990.