Melissa Humana-Paredes/Sarah Pavan, Canada (7) defeated Fan Wang/Yuan Yue, China (18) 2-0 (21-16, 21-13).
It was the first FIVB World Tour meeting between the two teams.
In Pool G, Canada wins the pool at 3-0 while China is 1-2. Also in Pool G, Manon Nummerdor-Flier/Marleen Van Iersel of Netherlands is 1-1 and Italy's Marta Menegatti/Rebecca Perry is 0-2.
Canada has advanced to the knockout phase and will play Wednesday, 2 August. China will have to wait to see if it advances directly into the knockout phase, plays in a "lucky" loser match on Tuesday, 1 August, or is eliminated and finishes 37th.