Zsofia Gubacsi defeated Alena Nesticka 6-4 7-5 in the Alghero 25K qualifying round on hard. The upset overturned the form book — Alena Nesticka came in leading the head-to-head 1–0. Zsofia Gubacsi claimed a first win over Alena Nesticka in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-06-21 | Sopot 25K | R16 | clay | Alena Nesticka | 6-1 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.