Carlos Berlocq defeated Patricio Arquez 6-3 6-3 in the Chile 1 1 round of 32 on clay. The upset overturned the form book — Patricio Arquez came in leading the head-to-head 2–0, but Carlos Berlocq had been the form player, winning 4 of their last 8 on clay. Carlos Berlocq claimed a first win over Patricio Arquez in three meetings, narrowing the head-to-head to 2–1.
Berlocq C. took it in straight sets.
Carlos Berlocq beat Patricio Arquez 6-3 6-3. Umpiry, "Carlos Berlocq vs Patricio Arquez — Chile 1 1 Round of 32", https://umpiry.com/match/2004-03-08/arquez-vs-berlocq-chile-1-1-r32?utm_source=cite (as of 8 March 2004).