Sergei Krotiouk defeated Andrei Ciumac 6-3 6-1 in the Russia F5 round of 16 on clay. The result followed the form book — Sergei Krotiouk came in leading the head-to-head 1–0. Sergei Krotiouk extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-27 | Kazakhstan F3 | R32 | hard | Sergei Krotiouk | 7-5 2-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.