Andy Murray wrapped up a Davis Cup triumph for Great Britain with a straight-sets victory over American number one John Isner.

Murray saved three set points before taking the opener on a tie-break and he remained in control after that to claim a 7-6 (7/4) 6-3 7-6 (7/4) victory in Glasgow.

The win sealed a 3-1 triumph over the United States and set up a World Group quarter-final tie against France.

Murray saved three set points before taking the opener on a tie-break and he remained in control after that to claim a 7-6 (7/4) 6-3 7-6 (7/4) victory in Glasgow.

The win sealed a 3-1 triumph over the United States and set up a World Group quarter-final tie against France.