Alexander Rumyantsev defeated Anton Zaitsev 6-4 6-0 in the Russia F9 round of 32 on clay. The upset overturned the form book — Anton Zaitsev came in leading the head-to-head 1–0. Alexander Rumyantsev claimed a first win over Anton Zaitsev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-06 | Russia F5 | SF | carpet | Anton Zaitsev | 6-4 6-2 |
Averages over each player's completed matches in the selected window (1 vs 33). 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