Klara Koukalova defeated Maria Sanchez Lorenzo 1-6 6-0 6-2 in the Caserta 50K round of 16 on clay. The upset overturned the form book — Maria Sanchez Lorenzo came in leading the head-to-head 2–1. Klara Koukalova narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-19 | Portoroz | R32 | hard | Klara Koukalova | 7-6 6-0 |
| 2004-03-01 | Acapulco | R32 | hard | Maria Sanchez Lorenzo | 7-5 6-3 |
| 2003-04-14 | Budapest | R16 | clay | Maria Sanchez Lorenzo | 6-3 6-1 |
Averages over each player's completed matches in the selected window (76 vs 30). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About