P. Bastiaansen advanced when Alexander Donski retired 1-6 6-2 4-1 in the M15 Pretoria 2 round of 16. P. Bastiaansen claimed a first win over Alexander Donski in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-02-23 | M15 Pretoria 1 | SF | hard | Alexander Donski | 7-5 6-2 |