Prajnesh defeated Ranjeet 6-4, 6-2, while top seed Vijay Sundar Prashanth made short work of Jeson Patromobon of Philippines and second seed Jeevan Nedunchezhiyan blanked out qualifier Prajwal Dev 6-0 6-3 in another match.
Mohit Mayur Jayaprakash, the fifth seed, demolished qualifier Tejas Chakulkar conceding only two games in the match. The sixth seed Vinayak Sharma Kaza proved too good for wild card entrant Basil Khuma, while last week's champion Sumit Nagal, seeded seventh, outplayed Chandril Sood 6-4 6-2.
In the match between Ranjeet and Prajnesh, the former drew first blood when he broke Prajnesh to lead 3-1. He held his serve to make it 4-1. At this stage, Prajnesh lifted his game, served powerfully and hit brilliant winners to take the next five games in a row to win the first set 6-4.
In the second set, Prajnesh quickly broke Ranjeet in the first game and then held his serve to lead 2-0. Trailing 1-2, Ranjeet asked for a medical break and when play resumed Prajnesh continued his good form and ran away with the second set and the match.
Singles Pre-quarterfinals: N Prasanth bt Jeson Patrombom (Phi) 6-3, 6-2, Kaza Vinayak Sharma bt Basil Khuma 6-2, 6-2, P Gunneswaran bt V MRanjeet 6-4, 6-2, Sumit Nagal bt Chandril Sood 6-4, 6-2, Borja Manzano Rodriguez (Spain) bt Kunal Anand 6-2, 6-4, Sidarth rawat bt P Vignesh 6-3, 6-0, Mohit Mayur bt Tejas Chakulkar 6-2, 6-0, Jeevan Nedunchezhian bt Prajwal Dev 6-0, 6-3.
Doubles (semi finals): Jeevan Nedunchezhian and Vijay Sundar Prasanth bt Neeraj Elangovan and Niki Kaliyanda Poonacha 6-4, 7-6(2), Chandril Sood and Laksht Sood bt Kaza Vinayak Sharma and Mohit Mayur 3-6, 6-1, 10-8, Markos Kalovelionis and Timur Khabibulin bt Shanmugam and Suresh 6-3, 6-1, Bowen Ouyang (Chn) and Xin Gao (Chn) bt Kunal Anand and Shahbaaz Khan 7-6(5), 6-2.