Zuzana Ondraskova defeated Jelena Kostanic Tosic 7-5 7-5 in the Prague round of 16 on clay. The upset overturned the form book — Jelena Kostanic Tosic came in leading the head-to-head 1–0. Zuzana Ondraskova claimed a first win over Jelena Kostanic Tosic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-01-16 | Australian Open | R64 | hard | Jelena Kostanic Tosic | 6-2 6-1 |
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 (37 vs 37). ATP, WTA & Challenger.