New Delhi, April 25 -- India's Abhay Singh registered an impressive win over Egyptian world No 13 Aly Abou Eleinen to enter his maiden PSA Gold-level event quarterfinals at the Grasshopper Cup squash in Zurich. World No. 24 Abhay trailed 5-8 in the opening game before recovering to beat the seventh seed 12-10, 11-9 in the second round. Singh had beaten Eleinen earlier this month at the El Gouna Open in Egypt. "I stuck to my game plan. There are still a few things I can work on. We will go back to the drawing board tonight," said Singh....