On a comeback trail after recovering from an ankle injury, Gurusaidutt defeated compatriot Sourabh Verma 21-18 21-14, while second seed Sameer eked out a 11-21 21-18 21-16 win over Japan's Yu Igarashi in another match.
Guru faces Thailand's Kantaphon Wangcharoen, while Sameer takes on Japan's Kento Momota next.
Sai Uttejitha Rao Chukka, however, suffered a 8-21 13-21 loss to second seeded Japanese Minatsu Mitani.
Last night, men's doubles pair of Arjun MR and Ramchandran Shlok defeated Chinese Taipei's Po Li-Wei and Yang Ming-Tse 21-17 14-21 21-15 to reach the second round.
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