Armando Perez defeated Marco Antonio Zuniga 6-1 6-4 in the Mexico 4 Masters 4 round of 32 on hard. The upset overturned the form book — Marco Antonio Zuniga came in leading the head-to-head 1–0. Armando Perez claimed a first win over Marco Antonio Zuniga in two meetings, levelling the head-to-head at 1–1.
Perez A. took it in straight sets.
Armando Perez beat Marco Antonio Zuniga 6-1 6-4. Umpiry, "Armando Perez vs Marco Antonio Zuniga — Mexico 4 Masters 4 Round of 32", https://umpiry.com/match/1996-10-05/perez-vs-zuniga-mexico-4-masters-4-r32?utm_source=cite (as of 5 October 1996).