Nathan Robertson and Jenny Wallwork are through to the second round of the Yonex US Open in Orange County, California, on a day of mixed fortunes for the England squad. Defending champion Rajiv Ouseph was one of three England singles players to bow out.

With just four weeks to go to the Yonex BWF World Badminton Championships, London 2011 at Wembley Arena, Rajiv Ouseph made a winning start to his US Open title defence in Orange County, California.