Maria Irigoyen defeated Soledad Esperon 6-4 5-7 6-4 in the Santo Andre 10K semi-final on hard. The upset overturned the form book — Soledad Esperon came in leading the head-to-head 1–0. Maria Irigoyen claimed a first win over Soledad Esperon in two meetings, levelling the head-to-head at 1–1.
Irigoyen M. came through in three sets.
Hard: Irigoyen M. leads 1–0 · Clay: Esperon S. leads 1–0
Maria Irigoyen beat Soledad Esperon 6-4 5-7 6-4. Umpiry, "Maria Irigoyen vs Soledad Esperon — Santo Andre 10K Semi-final", https://umpiry.com/match/2007-09-10/esperon-vs-irigoyen-santo-andre-10k-sf?utm_source=cite (as of 10 September 2007).