Katarina Kachlikova defeated Joanna Sakowicz Kostecka 6-3 6-3 in the Opole 25K round of 16 on carpet. Katarina Kachlikova extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-04-16 | Bari 25K | R32 | clay | Katarina Kachlikova | 7-6(5) 6-3 |
| 2001-11-12 | Stupava 10K | R32 | hard | Joanna Sakowicz Kostecka | 6-0 6-3 |