Catalina Arancibia defeated Maria Irigoyen 7-5 3-6 6-4 in the Quito 10K round of 32 on clay. The upset overturned the form book — Maria Irigoyen came in leading the head-to-head 1–0. Catalina Arancibia claimed a first win over Maria Irigoyen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-21 | Bogota 10K | R16 | clay | Maria Irigoyen | 3-6 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.