Mykyta Mashtakov defeated G. Sekachov 6-2 7-6 in the M25 Samobor round of 16 on clay. The result followed the form book — Mykyta Mashtakov came in ranked #652, leading the head-to-head 1–0. Mykyta Mashtakov extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-10 | M15 Nyiregyhaza 1 | R32 | clay | Mykyta Mashtakov | 2-6 6-3 6-2 |