M. Mortasifu defeated Radu Valentin Filipache 7-6 6-3 in the M25+H Bacau 1 q32 on clay. The upset overturned the form book — Radu Valentin Filipache came in leading the head-to-head 1–0. M. Mortasifu claimed a first win over Radu Valentin Filipache in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-06 | M15 Bistrita 1 | Q16 | clay | Radu Valentin Filipache | 6-2 6-3 |