Andy Murray To Face Kei Nishikori In The Quarter-Finals Of The US Open......

Olympic Gold medalist Andy Murray is through to the quarter-finals of the US open. The second seed thrashed Bulgarian 22nd seed Grigor Dimitrov  6-1 6-2 6-2.

Andy Murray is set to face Japanese sixth seed Kei Nishikori in the last eight.

Juan Martin del Potro and Stan Wawrinka will meet in the other quarter-final in Murray's half of the draw.

Wawrinka beat Ukraine's Illya Marchenko 6-4 6-1 6-7 (5-7) 6-3, while Argentina's Del Potro, champion in 2009, led Dominic Thiem 6-3 3-2 when the Austrian retired with a knee injury.

Nishikori was also impressive in his fourth-round match against Croatia's Ivo Karlovic. The Japanese beat  Karlovic 6-3 6-4 7-6 (7-4) .