Andy Murray 'playing best tennis of his life'

Great Britain Davis Cup captain Leon Smith believes Andy Murray is in the form of his life as the Scot gets set for a quarter-final clash with Jo-Wilfried Tsonga at Wimbledon.

The world number two has yet to drop a set at the tournament and is fully justifying the tag of title favourite he adopted following Novak Djokovic's shock loss to Sam Querrey.