Rodrigo Navarro defeated Ruben Alvarenga 6-4 6-1 in the Bolivia Chile Masters 4 round of 32 on clay. The upset overturned the form book — Ruben Alvarenga came in leading the head-to-head 1–0, but Rodrigo Navarro had been the form player, winning 1 of their last 6 on clay. Rodrigo Navarro claimed a first win over Ruben Alvarenga in two meetings, narrowing the head-to-head to 1–1.
Navarro R. took it in straight sets.