India's P.Kashyap and Chetan Anand have reached the pre-quarter finals of the US Open Grand Prix Gold Badminton Tournament. In the second round on Tuesday, Kashyap defeated Austria's David Obomaster 21-16, 21-12. Chetan Anand beat Bryse Leverdes of France 21-18, 21-19. Guru Sai Dutt lost to Germany's Marc Jwebler in a hard fought match.