O. Grzegorzewski defeated Matei Daniel Stan 6-4 4-6 11-9 in the M15 Oradea 1 q16 on clay. The result followed the form book — O. Grzegorzewski came in leading the head-to-head 1–0. O. Grzegorzewski extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-17 | M15 Cluj Napoca 1 | Q16 | clay | O. Grzegorzewski | 3-6 7-6(4) 10-8 |