Paola Suarez defeated Angeles Montolio 6-2 6-4 in the Acapulco quarter-final on hard. The upset overturned the form book — Angeles Montolio came in leading the head-to-head 2–1. Paola Suarez narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-30 | US Open | R64 | hard | Angeles Montolio | 7-6 6-2 |
| 1997-04-07 | Amelia Island | R64 | clay | Angeles Montolio | 2-6 6-4 7-6 |
| 1994-05-23 | Roland Garros | Q16 | clay | Paola Suarez | 3-6 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.