Yuliya Kalabina defeated Bermet Duvanaeva 6-1 6-2 in the Istanbul 10K qualifying round on hard. The result followed the form book — Yuliya Kalabina came in leading the head-to-head 2–0. Yuliya Kalabina extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-25 | Izmir 10K | F | hard | Yuliya Kalabina | 4-6 6-2 6-3 |
| 2008-06-23 | Almaty 10K | QF | clay | Yuliya Kalabina | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.