

Yuliya Kalabina defeated Alyona Sotnikova 6-2 6-4 in the Moscow 25K round of 32 on clay. The upset overturned the form book — Alyona Sotnikova came in leading the head-to-head 1–0. Yuliya Kalabina claimed a first win over Alyona Sotnikova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-13 | Kazan 50K | Q32 | hard | Alyona Sotnikova | 5-7 6-3 7-5 |
Averages over each player's completed matches in the selected window (1 vs 2). ATP, WTA & Challenger.
wins 51% of points on serve vs Sotnikova A.
wins 52% of points on serve vs Kalabina Y.
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