Rogers, Dalhausser open Olympic defense with win

Americans Todd Rogers and Phil Dalhausser opened their Olympic title defense with a straight-set win Sunday.

Rogers and Dalhausser beat Kentaro Asahi and Katsuhiro Shiratori 21-15, 21-16 in 40 minutes on the sand at Horse Guards Parade.

The top-ranked Brazilian team of Emanuel Rego and Alison Cerutti survived a three-set scare before knocking off Austria's Clemens Doppler and Alexander Horst 19-21, 21-17, 16-14.

Americans Jennifer Kessy and April Ross also opened with a victory, beating Argentina's Maria Virginia Zonta and Ana Gallay 21-11, 21-18.