P. Bastiaansen defeated Felix Einig 3-6 7-6 7-6 in the M25 Wetzlar 1 round of 32 on clay. The result followed the form book — P. Bastiaansen came in leading the head-to-head 1–0. P. Bastiaansen extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-04 | M15 Haren 1 | Q32 | clay | P. Bastiaansen | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.