Julio Peralta defeated Diego Alvarez 6-4 6-1 in the Chile F4 semi-final on clay. The upset overturned the form book — Diego Alvarez came in leading the head-to-head 1–0, but Julio Peralta had been the form player, winning 7 of their last 10 on clay. Julio Peralta claimed a first win over Diego Alvarez in two meetings, levelling the head-to-head at 1–1.
Peralta J. took it in straight sets.
Julio Peralta beat Diego Alvarez 6-4 6-1. Umpiry, "Julio Peralta vs Diego Alvarez — Chile F4 Semi-final", https://umpiry.com/match/2008-10-27/alvarez-vs-peralta-chile-f4-sf?utm_source=cite (as of 27 October 2008).