India's B Sai Praneeth and Parupalli Kashyap advanced to the quarterfinals of the India Open badminton tournament after contrasting wins in the men's singles competition on Thursday.
Praneeth, who had reached the finals at Swiss Open early this month, eked out a thrilling come-from-behind 18-21 21-16 21-15 win over fifth seeded compatriot Sameer Verma.