Sindhu had lost her last two matches against Marin and has beaten the Spaniard just once in the last four matches. However, it has been more than two years since the pair faced each other
Jayaram, who currently has a world ranking of 60, beat the 12th ranked Gemke 21-18, 17-21, 21-13 to set up a match against Thai eighth seed Kunlavut Vitidsarn.
Sindhu secured a 21-16, 21-19 win over Yigit in the match to progress to the second round. She started off brilliantly in the first game, taking a 10-5 lead but her opponent managed to end the lead, with scores reading 11-11.
Young prodigies Sai Praneeth, Sourabh Verma and Ajay Jayaram advanced to the second round of the tournament after winning their respective games in the opening round.
Srikanth, seeded fourth in the tournament, will now face France's Thomas Rouxel in the second round after the latter beat Canada's Xiadong Sheng 21-18, 21-14 in his first round match.
Rankireddy and Ponnappa defeated the World no. 8 pair in straight games 21-18, 21-10 in the encounter that lasted for 38 minutes. Indian pair will now proceed to the second round of the tournament.