Andrey Kumantsov defeated Vitaliy Kachanovskiy 6-3 6-2 in the Russia F8 round of 32 on clay. The result followed the form book — Andrey Kumantsov came in leading the head-to-head 2–0. Andrey Kumantsov extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-11-14 | Kazakhstan F6 | R32 | hard | Andrey Kumantsov | 6-4 6-4 |
| 2011-08-22 | Russia F7 | R16 | clay | Andrey Kumantsov | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.