Ana Paola Gonzalez Diaz defeated Giana Gutierrez 4-6 6-2 6-4 in the Culiacan 10K round of 16 on hard. The upset overturned the form book — Giana Gutierrez came in leading the head-to-head 1–0. Ana Paola Gonzalez Diaz claimed a first win over Giana Gutierrez in two meetings, levelling the head-to-head at 1–1.
Gonzalez Diaz A. came through in three sets.
Ana Paola Gonzalez Diaz beat Giana Gutierrez 4-6 6-2 6-4. Umpiry, "Ana Paola Gonzalez Diaz vs Giana Gutierrez — Culiacan 10K Round of 16", https://umpiry.com/match/1997-10-28/diaz-vs-gutierrez-culiacan-10k-r16?utm_source=cite (as of 28 October 1997).