Top Indian shuttlers P V Sindhu and Lakshya Sen entered the quarter-finals of the Indonesia Masters badminton tournament after securing straight-game wins in their respective last 16 matches here on Thursday.

Sen prevailed over Hong Kong China’s Jason Gunawan 21-10, 21-11 in a contest that lasted a little over half an hour, while Sindhu notched up a 21-19, 21-18 triumph over Line Hojmark Kjaerfeldt of Denmark.