Olga Vymetalkova defeated Maria Wolfbrandt 6-4 7-5 in the Zadar 10K qualifying round on clay. The upset overturned the form book — Maria Wolfbrandt came in leading the head-to-head 1–0. Olga Vymetalkova claimed a first win over Maria Wolfbrandt in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-05 | Paderborn 10K | SF | clay | Maria Wolfbrandt | 7-5 7-5 |