Ivan Sergeyev defeated Alexander Rumyantsev 6-3 6-4 in the Russia F9 semi-final on clay. The upset overturned the form book — Alexander Rumyantsev came in leading the head-to-head 1–0, but Ivan Sergeyev had been the form player, winning 4 of their last 5 on clay. Ivan Sergeyev claimed a first win over Alexander Rumyantsev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-15 | Moscow | Q32 | hard | Alexander Rumyantsev | 6-4 4-6 6-3 |
Averages over each player's completed matches in the selected window (27 vs 1). 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