Sergei Yaroshenko defeated Nickolai Dyachok 7-6 6-1 in the Ukraine F1 round of 32 on clay. Sergei Yaroshenko extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-03-06 | Poland F3 | R16 | hard | Sergei Yaroshenko | 6-3 7-5 |
| 2001-04-23 | Bulgaria 4 | R32 | clay | Nickolai Dyachok | 6-7(5) 6-3 6-2 |