In Badminton, 4 Indian shuttlers today waltzed into the pre-quarterfinals of their respective categories in the Indonesian Open at Jakarta. In the Men's Singles opening round matches today, Ajay Jayaram defeated Viktor Axelsen of Denmark in straight games, 21-16, 21-14, while P. Kashyap beat Kevin Cordon of Guatemala, 21-19, 19-21, 21-16.In Mixed Doubles, the Indian duo of V. Diju and Jwala Gutta stormed into the pre-quarterfinals, after beating the Korean pair of Yeon Seong Yoo and Ye Na Jang, 14-21, 21-11, 21-16.Meanwhile, India's shuttle queen Saina Nehwal in the Women's Singles, Sourabh Verma in the Men's Singles and the Indian duo of Jwala Gutta and Ashwini Ponnappa in the Women's Doubles are yet to play their opening round matches today.