The Indian challenge at the Japan Open Super Series Badminton ended in Tokyo today after shuttlers Ajay Jayaram, K. Srikanth and H.S. Prannoy lost their respective men's singles quarter-final matches. Fifth seeded Vietnamese Tien Minh Nguyen came out victorious 21-18, 21-13 against Jayaram. Elsewhere, Japanese seventh seed Kenichi Tago defeated K.Srikant 21-18, 21-9 in their first ever match to proceed to the semifinals. China's Huan Gao won 21-11, 20-22, 21-13 in a marathon match against H.S.Prannoy.