Overview
- The world No. 3 defeated Learner Tien 6-3, 6-7 (5-7), 6-1, 7-6 (7-3) in 3 hours 11 minutes at Melbourne Park.
- The match featured tiebreaks in the second and fourth sets, with Zverev closing out the fourth to advance.
- Zverev did not drop serve across the four sets, converting dominant serving into control of key moments.
- Tien, 20 and ranked No. 29, was the youngest male Australian Open quarterfinalist in 11 years and the youngest American to reach that stage since 2002.
- Zverev, 28 and last year’s runner-up, will face the winner of Thursday’s Alex de Minaur vs. Carlos Alcaraz quarterfinal.