Adrian Mateo Bejenaru defeated Samuil Konov 6-1 6-3 in the M15 Antalya 35 q32 on clay. The upset overturned the form book — Samuil Konov came in leading the head-to-head 1–0. Adrian Mateo Bejenaru claimed a first win over Samuil Konov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-13 | M15 Sozopol 1 | Q32 | hard | Samuil Konov | 6-4 6-4 |