Novak Djokovic ends John Millman's improbable US Open run

    Novak Djokovic of Serbia celebrates a point during his men's singles quarter-final match against John Millman of Australia at the 2018 US Open.

    (CNN)The fairytale is over.

    John Millman, who memorably beat Roger Federer to advance to the US Open quarterfinals, lost in straight sets to sixth seed Novak Djokovic 6-3 6-4 6-4.
    It was a sad comedown for the unheralded Aussie, who put in the shift of a lifetime on Tuesday to oust the five-time winner with a four-set victory.
      In humid cond