Andrey Kumantsov defeated Ivan Sergeyev 6-3 3-6 6-4 in the Russia F9 final on clay. The upset overturned the form book — Ivan Sergeyev came in leading the head-to-head 1–0. Andrey Kumantsov claimed a first win over Ivan Sergeyev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-18 | Moscow | Q16 | hard | Ivan Sergeyev | 3-0 |
Averages over each player's completed matches in the selected window (1 vs 27). 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