Two-time Olympic medallist PV Sindhu and World Championship bronze winner Lakshya Sen progressed to the quarter-finals of the Indonesia Masters Super 500 badminton tournament with contrasting wins here on Thursday.

Sen, who was part of the Indian team that claimed a historic Thomas Cup title triumph in Bangkok, registered a 21-18, 21-15 win over World No. 13 Rasmus Gemke of Denmark in 54 minutes in the men’s singles.