Joanna Sakowicz Kostecka advanced past Anna Bielen Zarska via walkover in the Stupava 10K round of 16. Joanna Sakowicz Kostecka claimed a first win over Anna Bielen Zarska in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-06-14 | Poznan 10K | QF | clay | Anna Bielen Zarska | 6-3 6-2 |