NEW DELHI: Indian badminton stars HS Prannoy and Lakshya Sen advanced to the second round of the World Championships in Copenhagen with commanding victories over their respective opponents on Monday.Prannoy, ranked 9th globally, secured his spot in the next round by defeating Finland's Kalle Koljonen in straight games, 24-22, 21-10. This victory extended Prannoy's unbeaten record against Koljonen to 3-0.Lakshya Sen, the reigning gold medalist from the Commonwealth Games, followed suit with a dominating performance against Mauritius' Georges Julien Paul. Sen cruised to a swift 21-12, 21-7 victory...