Ana Sofia Sanchez defeated Renata Zarazua 7-5 6-3 in the Cuernavaca $25K round of 32 on hard. The upset overturned the form book — Renata Zarazua came in ranked #94, but Ana Sofia Sanchez had been the form player, winning 7 of their last 10 on hard.
Sanchez A. took it in straight sets.
Ana Sofia Sanchez beat Renata Zarazua 7-5 6-3. Umpiry, "Ana Sofia Sanchez vs Renata Zarazua — Cuernavaca $25K Round of 32", https://umpiry.com/match/2015-02-16/sanchez-vs-zarazua-cuernavaca-25k-r32?utm_source=cite (as of 16 February 2015).