Jana Lubasova defeated Zuzana Valekova 6-2 6-4 in the Valasske Mezirici 10K round of 32 on clay. The upset overturned the form book — Zuzana Valekova came in leading the head-to-head 1–0, but Jana Lubasova had been the form player, winning 2 of their last 6 on clay. Jana Lubasova claimed a first win over Zuzana Valekova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-11-08 | Stupava 10K | QF | hard | Zuzana Valekova | 6-1 6-3 |