Andy Murray beat John Isner in straight sets to secure GB win over US . The world number one was the first British man since Fred Perry in 1936 to reach a final at Wimbledon and he will now face either Roger Federer or Rafael Nadal for his third title of the year. The Scot 's win in Glasgow clinched the Davis Cup tie 3-2 . Great Britain will face France at home in July in quarter-finals .
Andy Murray beat John Isner in straight sets to secure GB win over US . Murray needed two tie-breaks to beat the world No 20 on Sunday . The Scot 's win in Glasgow clinched the Davis Cup tie 3-2 . Great Britain will face France at home in July in quarter-finals .