Adrian Gavira/Pablo Herrera, Spain (9) defeated Sam Pedlow/Sam Schachter, Canada (16) 2-0 (21-16, 24-22).
Spain leads the head-to-head meetings between the two teams 2-0 also winning 2-0 in The FIVB Hague Three Start in June.
Spain wins Pool I with a 3-0 record and Canada finishes in 2nd place at 2-1. Also in Pool I, Austria's Martin Ermacora/Moritz Pristauz-Telsnigg and Mohammad Ashfiya/Ade Rachmawan of Indonesia are both 0-2.
Both Spain and Canada have advanced to the knockout phase and will play Thursday, 3 August.