article_snippet: Andy Murray will concentrate solely on the singles for Great Britain during this weekend's Davis Cup tie against USAUSA, after it was confirmed that Andy Murray will not feature in the doubles.
article_snippet: Andy Murray had earlier revealed Andy Murray was unlikely to feature on the middle day in order to conserve energy for Andy Murray clash with John Isner on Sunday.
article_snippet: Andy Murray will not play in Great Britain's Davis Cup doubles tie against USA on Saturday afternoon .