Sergey Betov defeated Andrey Kumantsov 2-6 7-6 6-3 in the Russia F7 qualifying round on clay. 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 |
|---|---|---|---|---|---|
| 2013-02-18 | Russia F1 | R32 | hard | Sergey Betov | 7-5 6-0 |
| 2010-06-21 | Germany F6 | QF | clay | Sergey Betov | 6-0 6-4 |
Averages over each player's completed matches in the selected window (110 vs 2). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About