Janette Husarova defeated Eva Bes Ostariz 6-4 4-6 6-3 in the Buenos Aires 25K round of 32 on clay. The upset overturned the form book — Eva Bes Ostariz came in leading the head-to-head 1–0. Janette Husarova claimed a first win over Eva Bes Ostariz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-20 | Budapest | R32 | clay | Eva Bes Ostariz | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.