Joanna Sakowicz Kostecka defeated Sandra Kleinova 4-6 6-4 6-4 in the Opole 25K round of 16 on carpet. The upset overturned the form book — Sandra Kleinova came in leading the head-to-head 1–0. Joanna Sakowicz Kostecka claimed a first win over Sandra Kleinova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-03 | Bolton 25K | QF | hard | Sandra Kleinova | 6-0 7-5 |