Two-time Olympic medallist P.V. Sindhu and in-form H.S. Prannoy stormed into yet another quarterfinals after registering fighting wins at the Singapore Open Super 500 badminton tournament here on Thursday.
Third seed Sindhu staved off a spirited challenge from Vietnam's world number 59 Thuy Linh Nguyen 19-21 21-19 21-18 in the women's singles competition to set up a clash with China's Han Yue.
Prannoy ranked world number 19, notched up his second win in three weeks over world number four and third seed Chou Tien Chen of Chinese Taipei 14-21 22-20 21-18 in an hour and nine-minute contest.