Sergei Krotiouk advanced when Valery Rudnev retired 7-6 in the Ukraine F2 round of 32. Sergei Krotiouk extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-25 | Russia F5 | SF | clay | Sergei Krotiouk | 6-2 6-7(3) 6-1 |
| 2005-10-09 | Moscow | Q16 | hard | Sergei Krotiouk | 3-6 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.