Ondrej Valek defeated Vojtech Vlkovsky 4-6 6-4 11-9 in the M25 Prostejov 1 q32 on clay. The result followed the form book — Ondrej Valek came in leading the head-to-head 1–0. Ondrej Valek extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-15 | M15 Opava 1 | Q16 | carpet | Ondrej Valek | 6-4 6-4 |