Indian shuttlers Parupalli Kashyap and H S Prannoy recorded straight-game victories in their opening round matches of the World Badminton Championship in Jakarta today. At the Gelora Bung Karno stadium, Commonwealth Games champion Kashyap, seeded 10th, defeated Netherlands' Erik Meijs 21-17 21-10 to set up a clash with Vietnam's Nguyen Tien Minh in the men's singles competition. Indonesia Masters winner Prannoy disposed of Brazil's Alex Yuwan Tjong 21-12 21-16 to start his campaign on a positive note. The 11th seed will next take on Uganda's Edwin Ekiring in the next round. However, the Indian mixed doubles pair of Arun Vishnu and Aparna Balan lost against the Russian pair of Evgenij Dremin and Evgenia Dimova in three games, while another pair of Tarun Kona and Sikki N Reddy too went down against the duo of Liao Min Chun and Chen Hsiao Huan of Chinese Taipei in straight games. Olympic bronze medallist Saina Nehwal, India Super Series winner Kidambi Srikanth and two-time bronze medal winner P V Sindhu will start their campaign tomorrow.