Alicia Ortuno defeated Patricia Wartusch 7-6 6-2 in the Bushey 25K round of 32 on carpet. The upset overturned the form book — Patricia Wartusch came in leading the head-to-head 3–1. Alicia Ortuno narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-02-22 | Bushey 25K | R32 | carpet | Patricia Wartusch | 6-1 6-4 |
| 1998-08-17 | Bronx 25K | R32 | hard | Patricia Wartusch | 6-4 6-2 |
| 1997-09-02 | Spoleto 25K | SF | clay | Alicia Ortuno | 2-6 6-3 6-2 |
| 1997-08-04 | Carthage 25K | R32 | clay | Patricia Wartusch | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.