India's Parupalli Kashyap and H S Prannoy entered the semifinals of the men's singles competition of the US Open Grand Prix Gold at Anaheim,USA on Saturday. Kashyap reached the semifinals defeating compatriot Sameer Verma 21-13, 21-16. He will next clash with Korea's Kwang Hee Heo. Prannoy saw off Japan's Kanta Tsuneyama 10 -21, 21-15, 21-18 in a men's singles match at the Anaheim Convention Center Arena. Prannoy will next take on Tien Minh Nguyen of Vietnam, who had beaten the Indian at the 2012 Badminton Asia Championships in their only meeting so far. Manu and Sumeeth defeated Japan's Hiroki Okamura and Masayuki Onodera 21-18, 22-20 in men's doubles. The duo will face top seeds Lu Ching Yao and Yang Po Han of Chinese Taipei.