Aleksandra Olsza defeated Sandra Kleinova 6-4 6-2 in the Prostejov 50K round of 32 on carpet. The upset overturned the form book — Sandra Kleinova came in leading the head-to-head 1–0. Aleksandra Olsza claimed a first win over Sandra Kleinova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-06-09 | Birmingham | R64 | grass | Sandra Kleinova | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.