Nicole Branagh / Emily Day, United States (25) defeated Victoria Bieneck / Isabel Schneider, Germany (24) 2-0 (21-16, 26-24).
It was the first FIVB World Tour meeting between the two teams. Branagh/Day were playing their first match together since Emily Day replaced the injured Kerri Walsh Jennings.
In Pool A, the United States is 1-0 while Germany is 0-1.
Up next for the Americans is Brazil's Talita Antunes / Larissa Franca while Germany will play Katharina Holzer / Teresa Strauss of Austria. Both matches are Sunday, 30 July.