Raffael Schaer defeated Aleksandar Mihailovic 6-2 6-1 in the M15 Monastir 8 q64 on hard. The result followed the form book — Raffael Schaer came in leading the head-to-head 1–0. Raffael Schaer extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-01 | M15 Heraklion 5 | Q32 | hard | Raffael Schaer | 6-4 7-5 |