Victoria Bieneck/Isabel Schneider, Germany (24) defeated Katharina Holzer/Teresa Strauss, Austria (48) 2-0 (21-19, 21-13).
It was the first FIVB World Tour meeting between the two teams.
In Pool A, Germany is 1-1 and Austria is 0-2. Also in Pool A, Brazil's Talita Antunes/Larissa Franca and Nicole Branagh/Emily Day of United States are both 1-0.
Up next for Germany is Brazil while Austria plays the United States. Both matches are Tuesday, 1 August.