Alicia Ortuno defeated Katalin Marosi 6-0 6-3 in the Mogi Das Cruzes 25K qualifying round on clay. The upset overturned the form book — Katalin Marosi came in leading the head-to-head 1–0. Alicia Ortuno claimed a first win over Katalin Marosi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-04-26 | Espinho 25K | R32 | clay | Katalin Marosi | 6-1 3-6 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.