Ruben Ramirez Hidalgo defeated Juan Antonio Marin 6-3 6-4 in the Acapulco qualifying round on hard. The upset overturned the form book — Juan Antonio Marin came in leading the head-to-head 1–0. Ruben Ramirez Hidalgo claimed a first win over Juan Antonio Marin in two meetings, levelling the head-to-head at 1–1.
Ramirez Hidalgo R. took it in straight sets.
Hard: Ramirez Hidalgo R. leads 1–0 · Clay: Marin J. leads 1–0
Ruben Ramirez Hidalgo beat Juan Antonio Marin 6-3 6-4. Umpiry, "Ruben Ramirez Hidalgo vs Juan Antonio Marin — Acapulco Qualifying Round", https://umpiry.com/match/2003-02-24/hidalgo-vs-marin-acapulco-qf?utm_source=cite (as of 24 February 2003).