Top seed Siddharth Sen and Jeet Kishore Das posted convincing wins to fill up the last two semifinal places of the 15th Orissa State Senior Snooker Championship at the Cuesport Academy in Bhubaneswar today. Sen overcame a bad start to beat Satyadeep Das 4-1, while Das got the better of Hardeep Singh Saluja 4-1. In the semifinals, Sen and Das will meet Ahsan-ul Haque and Saurya Prasad Patnaik respectively on Saturday. Results: Quarterfinals: Jeet Kishore Das bt Hardeep Singh Saluja 4-2 (52-46, 58-27, 40-44, 33-47, 62-12, 42-33): Siddharth Sen bt Satyadeep Das 4-1 (30-52, 55-27, 56-24, 50-43, 55-29).