Two-time Olympic medallist PV Sindhu has been knocked out of the Indonesia Open after a straight-game defeat to world No. 1 An Se-young in the pre-quarterfinals. The Indian shuttler suffered a 17-21, 15-21 defeat against South Korea's An Se-young. The defeat extended Sindhu's losing streak against An Se-young to 10 matches, with the shuttler yet to register victory over her.