In a high-tension match, Mayur made a number of unforced errors, but ultimately prevailed to wrap up the first set 6-3 in about 40 minutes.
The Tamil Nadu lad settled the issue in the second set 6-4 as Roy looked casual.
In the lone upset of the day, fourth seed Smriti Joon from Haryana went down meekly to Delhi qualifier Shehnaaz Singh 1-6 1-6.
Results (WB, if not mentioned):
Mens Singles (1st Round): Nitten Kirrtane (MAH)(1) bt Farid Alam 6-1, 6-2; Mohammad Fariz (TN) bt Rajat Maheshwari (MAH) 6-3, 6-4; Ajai Selveraj (TN)(4) bt Balaji Lakshmanan (TN) 6-4, 6-4; Ronak Manuja (MAH)(7) bt Md Azhar 6-2, 6-4; Jayaprakash Mohit Mayur (AP)(5) bt Rupesh Roy 6-3, 6-4; Suraj Desai (RAJ) bt Rohit Sarwate (AP) 6-0, 2-6, 7-5; Vinod Shridhar (TN) bt Rubal Shandilya (BIH) 6-1, 6-2; Saurav Sukul (2) bt Nagendra Prasad Rai (UP) 6-1, 6-1
Women's Singles (1st Round): Natasha Palha (GOA)(1) bt Mahitha Dadi Reddy (AP) 4-6, 6-1, 6-3; Shehnaaz Singh (DLI) bt Smriti Joon (HR)(4) 6-1, 6-1; Treta Bhattacharya (7) bt Adrita Banerjee 6-0, 6-0; Simran Wadhwa (DLI) bt Snigdha Padamata (AP) 6-0, 6-0.