Sergey Betov defeated Andrey Kumantsov 7-5 6-0 in the Russia F1 round of 32 on hard. The result followed the form book — Sergey Betov came in leading the head-to-head 2–0. Sergey Betov extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-21 | Germany F6 | QF | clay | Sergey Betov | 6-0 6-4 |
| 2009-08-31 | Russia F7 | QF | clay | Sergey Betov | 2-6 7-6(0) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.