SHANGHAI: Andy Murray’s posture is a little bent, almost as if the Scot’s body remembers the pain his mind has forgotten. For almost two seasons, before going under the knife, he battled an aching right hip that was tougher than almost any opponent, who stood across the net from him. The 32-year-old, now leaner, but and his movement, courtesy the resurfacing operation, is labored in patches. Still he hauled himself across the rectangle, back and forth, cautious in his exertion, holding back, taking his time before hitting stride. On a windswept evening, the 32-year-old came to life midway through his opening round contest against Argentine qualifier Juan Ignacio Londero in the Rolex Shanghai Masters. Ranked 289, the wildcard entrant, who finished the 2016 season as the world’s No.1 player, rallied to score a 2-6, 6-2, 6-3 win in 2 hours and 18 minutes. “It was tough, this court was by far the fastest conditions I’ve played in since I came back,” Murray said after his win. “I struggled with that earlier on in the match, I was mistiming the ball, I was slow and he was pretty much dictating the points. Then I managed early in the second set to…