Andy Murray edges past Stan Wawrinka to set up clash with Cameron Norrie

THRILLER: Andy Murray survived a thrilling encounter with long-time rival Stan Wawrinka to progress to the second round of the Western & Southern Open in Cincinnati. Pic: Steven Paston/PA

Andy Murray survived a thrilling encounter with long-time rival Stan Wawrinka to progress to the second round of the Western & Southern Open in Cincinnati.

The Scot took the opening set in a tiebreak as momentum swung freely between the two veterans.