Andrei Ciumac defeated Vasile Antonescu 6-1 6-2 in the Romania F12 round of 16 on clay. The upset overturned the form book — Vasile Antonescu came in leading the head-to-head 1–0. Andrei Ciumac claimed a first win over Vasile Antonescu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-11 | Romania F2 | R16 | clay | Vasile Antonescu | 6-4 5-7 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.