Ben Saxton/Chaim Schalk, Canada (13) defeated Rahman Raoufi/Bahman Salemiinjehboroun, Iran (36) 2-1 (20-22, 21-16, 15-13).
It was the first FIVB World Tour meeting between the two teams.
In Pool L, Canada is 2-0, advancing to the knockout phase, and Iran is 0-2. Also in Pool L, Austria's Clemens Doppler/Alexander Horst is 1-0 and Aaron Nusbaum/Ryan Vandenburg of Canada is 0-1.
Up next for Saxton/Schalk is Austria while Iran will play the other Canadian team of Nusbaum/Vandenburg. Both matches are Tuesday, 1 August.