Vasile Antonescu defeated Calin Manda 7-5 3-6 6-2 in the M15 Constanta 1 round of 16 on clay. The upset overturned the form book — Calin Manda came in leading the head-to-head 4–2, but Vasile Antonescu had been the form player, winning 3 of their last 8 on clay. Vasile Antonescu narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-08-09 | M15 Curtea de Arges 1 | R32 | clay | Calin Manda | 6-4 6-3 |
| 2022-08-18 | M15 Craiova 1 | R16 | clay | Calin Manda | 6-3 6-4 |
| 2019-08-08 | M15 Targu Mures 1 | R16 | clay | Vasile Antonescu | 3-6 6-3 6-2 |
| 2019-07-31 | M15 Chitila 1 | R32 | clay | Calin Manda | 6-2 7-6(4) |
| 2017-05-15 | Romania F1 | R32 | clay | Calin Manda | 6-4 6-1 |
| 2014-08-18 | Romania F12 | R32 | clay | Vasile Antonescu | 6-3 7-6(5) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.