World number 32 Jayaram, seeded 10th, prevailed over Brice Leverdez of France 21-12 21-18 in just over half an hour last night to set up a clash with Riichi Takeshita of Japan in the second round.
Mumbai's Anand Pawar was however stretched to a three-game match but the world number 51 defeated Michael Lahnsteiner of Austria 22-20 16-21 21-16 in the end at the RWE-Sporthalle. Pawar will meet sixth seed Viktor Axelsen of Denmark in the next round.
However, it was curtains for RMV Gurusaidutt, who lost to Bin Qiao of China 17-21 11-21 in another men's singles match.
In mixed doubles, Indian pair of Arun Vishnu and Aparna Balan reached the main draw. The duo defeated local pair Hannes Kaesbauer and Kira Kattenbeck 21-15 21-10 in the first round and then prevailed over Irish brother and sister combo of Sam Magee and Chloe Magee 21-19 21-12 in a 27-minute match.