Karol Filar defeated Yann Wojcik 6-4 6-3 in the M15 Szczawno 1 round of 32 on clay. The upset overturned the form book — Yann Wojcik came in leading the head-to-head 1–0. Karol Filar claimed a first win over Yann Wojcik in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-08-07 | M25 Lodz 1 | Q64 | clay | Yann Wojcik | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.