Andy Murray knocked out by Kevin Anderson in US Open fourth round

Andy Murray looks really frustrated Monday night during a match with Kevin Anderson, he was eventually defeated 7-6 6-3 6-7 7-6 to go out of the fourth round from the US Open 2015 in a four hour, 18 minute at Louis Armstrong Stadium in New York.

The 28-year-old Scot third-seeded has failed to reach a Grand Slam quarter-final for first time since 2010.

''Just now I’m more disappointed in myself,'' Murray said afterwards. ''It was obviously a big match for him. The way the match went, to come through, I’m sure it will be good for him in the long run.''

Anderson, a 29-year-old South African, 15th seed who played at Illinois, will now play his first major quarter-final with Stan Wawrinka.

"I played one of the best matches of my career," Anderson said on the court. "To do it at this stage, at this round, to get through to the quarter the first time in a slam definitely means a lot to me. It feels good to take a little step and actually beat one of the best guys in the world in the fourth round of a slam. Playing Andy, who is a champion here (2012) ... I must say playing out there will be definitely one for the memory bank."

Photo below of Stan Wawrinka, who defeated Donald Young in four sets, will face Anderson in the quarterfinals.