Andy Murray is still searching for his first singles win since hip surgery after losing 7-6 7-5 to Tennys Sandgren in the Winston-Salem Open first round.
The former world number one played with conviction and fluency in the first set, but lost it on a tie-break 10-8.
Despite recovering from a double break down to square the second set at 5-5, Britain’s Murray was broken again by American world number 73 Sandgren.












