Aranza Salut defeated Maria Irigoyen 6-3 6-2 in the Santos 25K quarter-final on clay. The upset overturned the form book — Maria Irigoyen came in leading the head-to-head 3–0, but Aranza Salut had been the form player, winning 2 of their last 4 on clay. Aranza Salut claimed a first win over Maria Irigoyen in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-01 | Villa Del DiqueCordoba 10K | QF | clay | Maria Irigoyen | 7-6(3) 6-4 |
| 2009-05-25 | Cordoba 10K | SF | clay | Maria Irigoyen | 6-3 5-7 7-6(4) |
| 2009-03-23 | Metepec 10K | F | hard | Maria Irigoyen | 7-6(6) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.