Sen, who trains in Bengaluru at the Prakash Padukone Academy, reached the main draw with back-to-back wins over Singapore's Jin Kai Xu and compatriot Manish Gupta.
He won both matches in straight games, beating Xu 11-5 11-5 11-6 and then following it up with a 11-5 11-5 11-3 score to down Gupta.
Joining Sen in the main draw were five other Indians - Mithun Manjunath, Kartikey Gulshan Kumar, N V S Vijetha, Oscar Bansal and Munawar Mohammed.
Women's singles: Aakarshi Kashyap (IND) bt Pranali Karani (IND) 11-4 11-6 11-7; Rini Tandel (IND) bt Seema Panchal (IND) 11-7 11-6 15-14 ; Manali Sinha (IND) bt Pooja Mudaliar (IND) 11-6 11-2 9-11 11-7; Preethi Konadam (IND) bt Deeksha Choudhary (IND) 11-8 8-11 11-8 8-11 11-7; Deepali Gupta (IND) bt Vanshika Kapila (IND) 11-5 11-7 13-11; Tanishq Mamilla Palli (IND) bt Thilini Pramodika Hendahewa (SRI) 11-8 11-7 11-7.
Men's singles: Buwenaka Goonathileka (SRI) bt Ankit Malik (IND) 11-9 11-6 11-7; Lakshya Sen (IND) bt Manish Gupta (IND) 11-5 11-5 11-3; Mithun Manjunath (IND) bt ImamAdi Kusuma Atmaja (INA) 8-11 11-5 11-6 8-11 11-5; Kartikey Gulshan Kumar (IND) bt Abhyansh Singh (IND) 11-2 11-5 8-11 11-8; N V S Vijetha (IND) bt Ameya Oak (IND) 11-5 11-9 11-5; Oscar Bansal (IND) bt Abdul Bari Ansari (IND) 11-4 11-4 Retd; Munawar Mohammed (IND) bt Mayank Ahuja (IND) 11-9 11-8 3-11 11-3; Sachin Dias (SRI) bt Satinder Malik (IND) 11-4 11-6 11-9.
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