Gilles Simon was down a set and a break to Jack Sock, but rallied to beat the American 4-6, 6-4, 7-6(5) in the quarter-finals of the Shanghai Rolex Masters on Friday. The Frenchman is a win away from matching his best result at this ATP World Tour Masters 1000 event, having finished runner-up to Roger Federer in 2014. Simon came into the match on a high, having upset No. 3 seed Stan Wawrinka in the previous round. However, Sock, who is into the doubles semi-finals in Shanghai alongside countryman John Isner, controlled the run of play in the first set by attacking relentlessly. The 24 year old pushed Simon off the court with powerful inside-out forehands, then closed out points...