Talita Antunes / Larissa Franca, Brazil (1) defeated Katharina Holzer / Teresa Strauss, Austria (48) 2-1 (21-11, 19-21, 15-8).
It was the first FIVB World Tour meeting between the two teams.
In Pool A, Brazil is 1-0 and Austria is 0-1. Also in Pool A, Nicole Branagh / Emily Day of the United States is 1-0 and Germany's Victoria Bieneck / Isabel Schneider is 0-1.
Up next for Brazil is the United States while Austria plays Germany. Both matches are Sunday, 30 July.