World number one Saina Nehwal, and 4 other Indian shuttlers have advanced to the pre-quarterfinals of the Denmark Open Badminton tournament in Odense. In the Women's Singles first round yesterday, while Saina edged past Busanan Ongbumrungphan of Thailand, 23-21, 14-21, 21-18, PV Sindhu beat Indonesia's Maria Kusumastuti, 21-13, 21-11.In the Men's Singles, Kidambi Srikanth defeated compatriot Ajay Jayaram in straight games, whereas P. Kashyap and HS Prannoy crashed out. The duo of Jwala Gutta and Ashwini Ponnappa also made an exit. However, the Men's Doubles pair of Manu Attri and B. Sumeeth Reddy progressed to the last-16. The pre-quarterfinal matches will be played today.