Andy Murray in mood for Davis Cup to ease pain of US Open exit

There was no hiding Andy Murray’s disappointment after his 7-6, 6-3, 6-7, 7-6 defeat here by Kevin Anderson in the fourth round of the US Open, but the world No 3 has little time to reflect on the end of a run during he had reached the quarter-finals in each of his previous 18 Grand Slam tournaments.