Klara Koukalova defeated Jie Zheng 6-0 6-4 in the Warsaw round of 16 on clay. The result followed the form book — Klara Koukalova came in leading the head-to-head 2–1. Klara Koukalova extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-18 | Eastbourne | R32 | grass | Klara Koukalova | 6-3 4-6 6-3 |
| 2006-01-30 | Tokyo | R32 | hard | Klara Koukalova | 7-5 7-6(2) |
| 2005-01-10 | Hobart | QF | hard | Jie Zheng | 4-6 7-6(2) 6-2 |
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 (76 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About