Klara Koukalova defeated Zuzana Ondraskova 6-1 6-1 in the Ortisei 50K round of 16 on carpet. The upset overturned the form book — Zuzana Ondraskova came in leading the head-to-head 2–0. Klara Koukalova claimed a first win over Zuzana Ondraskova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-09 | Prague | SF | clay | Zuzana Ondraskova | 6-2 6-2 |
| 2003-02-10 | Antwerp | Q32 | hard | Zuzana Ondraskova | 6-3 6-2 |
Averages over each player's completed matches in the selected window (81 vs 42). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About