Andy Murray has advanced to the semi-finals of the Australian Open with a straight-sets win over Kei Nishikori.
The Scot settled into his stride early in the game, breaking early in the first set before taking it comfortably 6-3.
Murray, ranked fourth in the world, kept up the pressure in the second set.
Dominating the match from the baseline, Murray eased the second set 6-3 before cruising to 6-1 in the third.
Murray will face either Novak Djokovic or David Ferrer in the semi-finals.
