Two-time Olympic-medallist PV Sindhu survived a scare before prevailing over Korea’s Sim Yu Jin but the highlight of the day was Ashmita Chaliha’s stunning win over third seed Beiwen Zhang of USA in the second round of the Malaysia Masters here on Thursday.

World No. 15 Sindhu, a former world champion, saw off Sim 21-13, 12-21, 21-14  in women’s singles second-round match to register her third win over the Korean World No. 34.