Yuliya Kalabina defeated Polina Vinogradova 6-2 7-6 in the Kazan 50K round of 32 on hard. The upset overturned the form book — Polina Vinogradova came in leading the head-to-head 3–1. Yuliya Kalabina narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-08 | Aschaffenburg 25K | R16 | clay | Yuliya Kalabina | 7-6(3) 6-3 |
| 2013-05-27 | Moscow 25K | QF | clay | Polina Vinogradova | 2-6 6-2 6-4 |
| 2012-08-27 | St Petersburg 10K | SF | clay | Polina Vinogradova | 6-3 1-6 7-5 |
| 2009-05-11 | St Petersburg 10K | QF | hard | Polina Vinogradova | 6-3 6-2 |
Averages over each player's completed matches in the selected window (1 vs 8). ATP, WTA & Challenger.
wins 56% of points on serve vs Vinogradova P.
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