Orissa state senior billiards champion Subrat Das continued to shine in the First Lala Ghasiram Masters Cup Eastern India Open Snooker Tournament by setting up tomorrow`s quarterfinal clash against 1989 National snooker champion Shyam Jagtiani. In the pre-quarterfinals today, Subrat edged out former Bengal State champion Rajesh Tulsian 3-2 at Salt Lake in Kolkata. He earlier caused a major upset by defeating top seed and National junior champion Shabaaz Adil Khan 3-2 in his last league match yesterday.