Zuzana Valekova defeated Adrienn Hegedus 7-6 6-1 in the Lisbon 10K round of 16 on clay. The upset overturned the form book — Adrienn Hegedus came in leading the head-to-head 1–0. Zuzana Valekova claimed a first win over Adrienn Hegedus in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-08-28 | Plzen 25K | R16 | clay | Adrienn Hegedus | 4-2 4-1 4-1 |