Rafael Kis Balazs defeated Gregor Hausberger 7-5 6-2 in the M15 Opatija 1 qualifying round of 64 on clay. Rafael Kis Balazs claimed a first win over Gregor Hausberger in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-26 | M15 Gyula 1 | Q16 | clay | Gregor Hausberger | 6-3 6-1 |
Averages over each player's completed matches in the selected window (6 vs 12). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About