Jaka Protic Zakelj defeated Gabriel Wien 6-1 6-4 in the M25 Maribor 1 q32 on clay. The result followed the form book — Jaka Protic Zakelj came in leading the head-to-head 1–0. Jaka Protic Zakelj extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-30 | M15 Bad Waltersdorf 2 | Q64 | clay | Jaka Protic Zakelj | 6-2 6-0 |