Adrienn Hegedus defeated Zuzana Valekova 4-2 4-1 4-1 in the Plzen 25K round of 16 on clay. The upset overturned the form book — Zuzana Valekova came in leading the head-to-head 1–0. Adrienn Hegedus claimed a first win over Zuzana Valekova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-03-13 | Lisbon 10K | R16 | clay | Zuzana Valekova | 7-6(5) 6-1 |