Marcel Politowicz defeated Mateusz Cislo 6-7 6-1 10-4 in the M25 Bielsko Biala 1 q32 on clay. The upset overturned the form book — Mateusz Cislo came in leading the head-to-head 1–0. Marcel Politowicz claimed a first win over Mateusz Cislo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-06-09 | M15 Koszalin 1 | Q32 | clay | Mateusz Cislo | 4-6 6-3 10-7 |