Esteban Grimalt / Marco Grimalt, Chile (20) defeated Martins Plavins / Haralds Regza, Latvia (29) 2-0 (21-14, 21-19).
The Chileans evened up the head-to-head results against Latvia to 1-1 with Plavins/Regza winning the bronze medal match at the 2015 FIVB Antalya Open.
In Pool E, Chile is 1-0 and Latvia is 0-1.
Up next for Chile is Aldevino Nguvo / Justino Tovela of Mozambique while Latvia plays Brazil's Alison Cerutti / Bruno Oscar Schmidt. Both matches are on Monday, 31 July.