Fifth seed Sindhu will kick off her campaign with a clash against Malaysia's Soniia Cheah and is likely to face Japan's Akane Yamaguchi in the quarterfinals, provided she wins her initial rounds
Sindhu, who had won the coveted World Championship gold medal here in 2019, couldn't match the speed and accuracy of Marin during her 12-21 5-21 defeat in the final
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.
Olympic silver medallist Sindhu expectedly outclassed Malaysia's world no. 92 Kisona Selvaduray 21-10,21-12 in a lop-sided second-round contest that lasted just 35 minutes
