( dpa )- Results Saturday at Davis Cup World Group ties: (x indicates new result).
At Vienna
Bob Bryan-Mike Bryan, US, def. Julian Knowle-Jurgen Melzer, Austria, 6-1, 6-4, 6-2 US def. Austria, 3-0 (unbeatable lead)
at Moscow
Novak Djokovic-Nenad Zimonjic, Serbia, def. Mikhail Youzhny-Dmitry Tursunov, Russia, 6-3, 7-6 (8-6), 7-6 (7-5)
Russia lead Serbia, 2-1
at Ramat Hasharon, Israel
Jonathan Erlich-Andy Ram, Israel, def. Simon Aspelin-Robert Lindstedt, Sweden, 6-3, 7-6 (7-3), 7-5
Israel lead Sweden, 2-1
at Braunschweig, Germany
Philipp Kohlschreiber-Philipp Petzschner, Germany, def. Jun Woong-Sun-Kim Hyun-Joon, South Korea, 6-1, 6-3, 6-3
Germany lead South Korea, 2-1