Dmitry Dolzhenkov defeated Valentin Kopeikin 6-3 6-4 in the M15 Nonthaburi 1 q32 on hard. The result followed the form book — Dmitry Dolzhenkov came in leading the head-to-head 1–0. Dmitry Dolzhenkov extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-28 | M15 Tashkent 2 | R32 | hard | Dmitry Dolzhenkov | 6-4 6-2 |