Bogdan Bobrov defeated Oleksandr Bielinskyi 1-6 6-3 6-4 in the M25+H Bacau 1 round of 32 on clay. The upset overturned the form book — Oleksandr Bielinskyi came in leading the head-to-head 1–0. Bogdan Bobrov claimed a first win over Oleksandr Bielinskyi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-10 | M15 Antalya 31 | R32 | clay | Oleksandr Bielinskyi | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.