World No.20 Ghosal hardly broke a sweat against qualifier Abhishek Agarwal while Chinappa also faced little difficulty in disposing off Chandni Kumari in their respective men's and women's pre-quarterfinal matches.
While Ghosal defeated Agarwal 11-3 11-1 11-8 in little less than 30 minutes, Chinappa got the better of Bihar's Kumari 11-1 11-1 11-3.
Results:
Men's section: Saurav Ghosal bt Abhishek Agrawal 11-3 11-1 11-8; Harinder Pal Sandhu bt Ranjit Singh 11-4 11-5 11-6; Vrishab Kotiyan bt Arjun Agnihotri 11-8 13-11 11-4; Gaurav Nandrajog bt Deepak Mishra 9-11 11-13 11-8 11-2 11-5; Ravi Dixit bt Rishi Jalan 11-4 14-12 11-5; Mahesh Mangaonkar bt Sahail Kapoor 11-8 11-4 11-4; Sandeep Jangra bt Karm Kumar 11-5 11-8 11-7; Vikas Jangra bt Abhinav Sinha 11-6 11-7 11-6.