O. Grzegorzewski defeated Juliusz Bienkiewicz 6-2 7-5 in the M25 Koszalin 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 |
|---|---|---|---|---|---|
| 2025-07-08 | M15 Lodz 1 | Q16 | clay | O. Grzegorzewski | 6-3 6-4 |