Saina Nehwal was eliminated from the Badminton Asia Championships after suffering a 21-19, 16-21, 18-21 first-round defeat against Japanese Sayaka Sato in China on Wednesday. Meanwhile, world number three PV Sindhu outplayed Indonesia's Dinar Dyah Ayustine 21-8, 21-18 in 31 minutes to advance to round two. Mixed doubles pair Pranaav Jerry Chopra and N Sikki Reddy also exited the event.