India's H S Prannoy and K Srikanth have entered the Men's Singles quarterfinals of the Indonesia Open Superseries Badminton tournament in Jakarta. However, Women shuttlers Saina Nehwal and P.V. Sindhu bowed out of the tournament.Prannoy stunned World No. 1 Lee Chong Wei of Malaysia in straight games today. The World No. 25 Indian, who went into the match with a 0-2 head-to-head record, saw off three-time Olympic silver medalist Lee 21-10, 21-18 in men's singles contest.K Srikanth also dug deep into his reservoir to notch up a stunning 21-15, 20-22, 21-16 victory over fourth seed Denmark's Jan O Jorgensen to make the quarters too.In the Women's Singles, fourth seed Sindhu went down to American Zhang Beiwen 21-15, 12-21, 18-21 .Earlier, Saina lost to Nitchaon Jindapol of Thailand 15-21, 21-6, 16-21. Prannoy will next face Olympic champion Chen Long of China, while Srikanth will meet the Chinese Taipei's Tzu Wei Wang.