World No.11 Sen suffered a shock 17-21, 11-21 defeat to Indonesia’s World No. 38 Mohammed Zaki Ubaidillah, while Prannoy lost 17-21, 22-20, 22-24 to Japan’s Kodai Naraoka.

The fourth-ranked Indian duo, seeded first in the tournament, recovered from dropping the first set to seal a gripping 19-21, 22-20, 21-16 win