Tanvi, who had reached the US Open Super 300 final earlier this year, fought back brilliantly to shock the second seed Okuhara 13-21, 21-16, 21-19 in a 59-minute thriller

Lakshya beat Chinese Taipei’s Su Li Yang 21-17, 21-13, while Prannoy beat Indonesia’s Yohanes Marcellyno 6-21, 21-12,  21-17