Diego Junqueira defeated Patricio Arquez 3-6 6-2 6-1 in the Argentina F2 round of 16 on clay. The upset overturned the form book — Patricio Arquez came in leading the head-to-head 2–0. Diego Junqueira claimed a first win over Patricio Arquez in three meetings, narrowing the head-to-head to 2–1.
Junqueira D. came through in three sets.
Diego Junqueira beat Patricio Arquez 3-6 6-2 6-1. Umpiry, "Diego Junqueira vs Patricio Arquez — Argentina F2 Round of 16", https://umpiry.com/match/2003-08-25/arquez-vs-junqueira-argentina-f2-r16?utm_source=cite (as of 25 August 2003).