Australian Open: Andy Murray rages at umpire during his longest match ever before winning at 4.08AM!

Andy Murray today raged at an umpire and said it was ‘so disrespectful’ that he was not allowed to go to the toilet during his Australian Open match – despite the game going on for nearly six hours.

The international competition descended into a farce, with the British tennis player also facing heckling from rowdy tennis fans during his match against Australian tennis player Thanasi Kokkinakis today.

Murray was furious that the match – the longest the Briton has ever played in his career at 5…