Jayaram, who had reached the finals at Dutch Open last week, notched up a 21-15 21-16 win over Thailand's Boonsak Ponsana. He will take on the winner of the match between Chinese qualifier Shi Yuqi and third seed and local favourite Jan O Jorgensen.
On his comeback trail after a spate of injuries, Prannoy registered a hard-fought 21-13 19-21 22-20 win over Malaysia's Wei Feng Chong in a match that lasted an hour and three minutes.
Swiss Open champion Prannoy will face the winner of the match between top seed Malaysian Lee Chong Wei and Hong Kong's Wei Nan.
However, B Sai Praneeth, who had clinched the Canada Open in July, lost narrowly to Tanongsak Saensomboonsuk of Thailand. His fight ended with a 17-21 21-19 15-21 loss to Saensomboonsuk.
In men's doubles, Rio Olympians Manu Attri and B Sumeeth Reddy suffered 10-21 19-21 loss to Denmark's Kim Aastrup and Anders Skaarup Rasmussen.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)