Petr Nouza defeated Michal Dembek 1-6 7-6 6-2 in the M15 Wroclaw 1 quarter-final on clay. The upset overturned the form book — Michal Dembek came in leading the head-to-head 2–0, but Petr Nouza had been the form player, winning 2 of their last 4 on clay. Petr Nouza claimed a first win over Michal Dembek in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-24 | M15 Ostrava 1 | R32 | hard | Michal Dembek | 3-6 7-6(4) 6-1 |
| 2021-03-10 | M15 Bratislava 2 | R32 | hard | Michal Dembek | 6-7(1) 7-6(3) 6-4 |
Averages over each player's completed matches in the selected window (39 vs 4). 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