Maria Irigoyen defeated Nataly Yoo 7-5 6-3 in the Cordoba 10K round of 16 on clay. The result followed the form book — Maria Irigoyen came in leading the head-to-head 2–0. Maria Irigoyen extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-11-24 | Buenos Aires 10K | R32 | clay | Maria Irigoyen | 6-2 6-3 |
| 2006-08-14 | Guayaquil 10K | QF | hard | Maria Irigoyen | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.