Marcel Zielinski defeated Bruno Kokot 6-2 6-2 in the M15 Koszalin 1 round of 32 on clay. The result followed the form book — Marcel Zielinski came in leading the head-to-head 1–0. Marcel Zielinski extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-04-14 | M15 Antalya 11 | Q32 | clay | Marcel Zielinski | 6-2 6-2 |