Anna Bielen Zarska defeated Katerina Kroupova 7-6 6-1 in the Nitra 10K semi-final on clay. The upset overturned the form book — Katerina Kroupova came in leading the head-to-head 1–0, but Anna Bielen Zarska had been the form player, winning 2 of their last 4 on clay. Anna Bielen Zarska claimed a first win over Katerina Kroupova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-20 | Valasske 10K | QF | clay | Katerina Kroupova | 6-2 6-0 |