Milen Ianakiev defeated Cosmin Ontica 1-6 6-4 10-6 in the M15 Plovdiv 1 q32 on clay. The result followed the form book — Milen Ianakiev came in leading the head-to-head 1–0. Milen Ianakiev extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-05-14 | Bulgaria F1 | R32 | hard | Milen Ianakiev | 6-1 6-2 |