Star Indian shuttlers HS Prannoy (left) and Lakshya Sen progressed to the men’s singles second round of the World Championships with straight-game wins over Finland’s Kalle Koljonen and Mauritius’ Georges Julien Paul respectively here on Monday.

Prannoy, the World No. 9, who reached the quarter-finals in the last two editions, saw off the left-handed Koljonen 24-22, 21-10 to extend his head-to-head count over the Finnish player to 3-0. Sen, the reigning Commonwealth Games gold medallist, then streamrolled Paul 21-12, 21-7.