Murray told to pull out over back injury

He beat the 48th-ranked Finn 1-6, 6-4, 6-1, 6-2 in two hours and 27 minutes yesterday and, providing he is fit, plays the Colombian Santiago Giraldo on Saturday. On paper it is a straightforward match for the world No 4, although he might not know until shortly beforehand if he is fit enough to carry on in the tournament.

Indeed, it might be sensible to stop now. His chances of winning the title, never strong, are diminished, and he risks doing damage ahead of Wimbledon and the Olympic Games. "I don't know how I won, to be honest," he said. "I had a bit of a spasm, it hurt when I got up this morning and it was really bad 20 minutes after practice. I couldn't put any weight on my left leg.