Diego Hartfield defeated Patricio Arquez 6-4 6-4 in the Chile F3 round of 32 on clay. The upset overturned the form book — Patricio Arquez came in leading the head-to-head 1–0, but Diego Hartfield had been the form player, winning 4 of their last 10 on clay. Diego Hartfield claimed a first win over Patricio Arquez in two meetings, levelling the head-to-head at 1–1.
Hartfield D. took it in straight sets.
Diego Hartfield beat Patricio Arquez 6-4 6-4. Umpiry, "Diego Hartfield vs Patricio Arquez — Chile F3 Round of 32", https://umpiry.com/match/2004-11-08/arquez-vs-hartfield-chile-f3-r32?utm_source=cite (as of 8 November 2004).