Vera Zvonareva defeated Klara Koukalova 6-3 4-6 6-2 in the Beijing round of 32 on hard. The upset overturned the form book — Klara Koukalova came in leading the head-to-head 1–0, defending last year's round of 64. Vera Zvonareva claimed a first win over Klara Koukalova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-04-06 | Katowice | R16 | hard | Klara Koukalova | 6-1 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (199 vs 76). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About