Vera Zvonareva defeated Polona Hercog 6-3 6-3 in the Istanbul round of 32 on clay. The upset overturned the form book — Polona Hercog came in ranked #217, leading the head-to-head 1–0, defending last year's quarter-final, but Vera Zvonareva had been the form player, winning 5 of their last 7 on clay. Vera Zvonareva claimed a first win over Polona Hercog in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-09 | Indian Wells | R128 | hard | Polona Hercog | 6-1 6-1 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.