Martina Muller defeated Zuzana Ondraskova 6-2 6-3 in the Knokke-Heist qualifying round on clay. The upset overturned the form book — Zuzana Ondraskova came in leading the head-to-head 2–1, but Martina Muller had been the form player, winning 2 of their last 5 on clay. Martina Muller narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-24 | Cagnes sur Mer 75K | R16 | clay | Martina Muller | 6-2 6-0 |
| 2006-01-30 | Ortisei 75K | R32 | carpet | Zuzana Ondraskova | 7-6(2) 7-6(3) |
| 2004-09-20 | Biella 50K | R32 | clay | Zuzana Ondraskova | 6-7(4) 6-4 6-4 |
Averages over each player's completed matches in the selected window (60 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