Meanwhile, top Seed Sriram Balaji started tentatively to drop the first set before overcoming Japan’s Bumpei Sato, the sixth seed, 1-6, 6-3, 6-3 to also book his berth in the semi-finals.
Karunuday, seeded eighth, served strongly and played to a plan to got the better of a very tentative Jeevan in the first set. Karunuday kept up the pressure to sail through in the second set quite comfortably.
Singles (quarter-finals): 8-Karunuday Singh bt 2-Jeevan Nedunchezhiyan 6-3, 6-3; Prajnesh Gunneswaran bt 4-Toshihide Matsui (JPN) 7-5, 7-6(3); 1-N Sriram Balaji bt 6-Bumpei Sato (JPN) 1-6, 6-3, 6-3; 3-Vijayant Malik bt Garvit Batra 6-0, 6-3.
Doubles (semi-finals): 3-Toshihide Matsui (JPN) / Bumpei Sato (JPN) bt 2-Keith-Patrick Crowley (RSA) / Arun-Prakash Rajagopalan 6-7(4), 6-2, [10-7]; 1-N Sriram Balaji / Jeevan Nedunchezhiyan bt Fariz Mohammed / Vignesh Peranamallur 6-2, 7-6(3).