Leanne Baker defeated Joana Cortez 7-5 7-6 in the Coatzacoalcos 10K qualifying round on hard. The upset overturned the form book — Joana Cortez came in leading the head-to-head 2–0. Leanne Baker claimed a first win over Joana Cortez in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-05-01 | Coatzacoalcos 25K | QF | hard | Joana Cortez | 6-4 6-4 |
| 1999-05-10 | Tampico 10K | SF | hard | Joana Cortez | 4-6 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.