Vivian Segnini defeated Maria Irigoyen 6-1 7-6 in the Buenos Aires 25K qualifying round on clay. The upset overturned the form book — Maria Irigoyen came in leading the head-to-head 2–0. Vivian Segnini claimed a first win over Maria Irigoyen in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-11-12 | Buenos Aires 10K | SF | clay | Maria Irigoyen | 6-0 7-5 |
| 2007-03-05 | Toluca 10K | R16 | hard | Maria Irigoyen | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.