Aleksandar Kovacevic defeated Zhizhen Zhang 6-7 7-5 6-2 in the Hamburg qualifying round 1 on clay. The result followed the form book — Aleksandar Kovacevic came in ranked #67. Aleksandar Kovacevic extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-05-16 | Hamburg | SF | clay | Aleksandar Kovacevic | 6.6-7.8 7-5 6-2 |
| 2024-03-04 | Indian Wells Masters | R128 | hard | Zhizhen Zhang | 6-7(2) 6-3 7-5 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.