London July 10 (IANS) Three-time Wimbledon champion Novak Djokovic topped Russia s Karen Khachanov 6-4 6-2 6-2 to reach the quarterfinals of the Grand Slam event for the 10th time.
The Serb committed just a dozen unforced errors on Monday and hit 29 winners to dispatch Khachanov as night fell on the All England Club reports Efe.
Next up for Djokovic the tournament s 12th seed will be Kei Nishikori of Japan who defeated Ernests Gulbis 4-6 7-6 (5) 7-6 (10) 6-1 in a gruelling contest that went on for three hours and 28 minutes.
"I m very pleased " Djokovic said after the victory.
"He started off with a break. He made a couple of great shots but I managed to break and get back into the set. He s got weapons a big first serve and a big forehand but I managed to get serves back and make him play another shot " he added.
With a 10th appearance in the Wimbledon quarterfinals Djokovic moves into a tie with Andy Murray behind Roger Federer (16) Jimmy Connors (14) and Boris Becker (11).

--IANS kk/mr