Mumbai, April 25 -- India's top male squash pro Abhay Singh upset Egyptian world No.13 Aly Abou Eleinen to enter his first PSA Gold-level event quarter-finals at the Grasshopper Cup 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. The Indian will meet Egyptian world No.4 Karim Gawad next. Singh had beaten Eleinen earlier this month at the El Gouna Open in Egypt. In the opening round, Singh beat Swiss David Bernet 11-9, 9-11, 11-8, while compatriot Ramit Tandon lost to Egypt's Fares Dessouky 6-11, 9-11....