Andy Murray, pictured, was beaten by Novak Djokovic in the Australian Open final

Andy Murray ended 2014 winning just one of 13 games against Roger Federer and finished the first grand slam of 2015 suffering the same depressing sequence at the hands of Novak Djokovic. But the former Wimbledon champion insists his performances in the ATP World Tour Finals and Sunday's Australian Open final were "night and day" as he reflected on an ultimately successful campaign in Melbourne.

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