Ainhoa Goni Blanco defeated Lourdes Dominguez Lino 6-3 0-6 6-4 in the Grado 25K round of 32 on clay. The upset overturned the form book — Lourdes Dominguez Lino came in leading the head-to-head 1–0. Ainhoa Goni Blanco claimed a first win over Lourdes Dominguez Lino in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-12 | Getxo 25K | R16 | clay | Lourdes Dominguez Lino | 6-3 6-7 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.