Juan Martin del Potro holds off Karan Khachanov, Kyle Edmund also through

Kyle Edmund in action

Juan Martin del Potro and Kyle Edmund reached the quarter-final of the China Open, but Grigor Dimitrov crashed out.

Top seed Del Potro secured his place in the last eight with a 6-4, 7-6 (7-4) win over Karen Khachanov from Russia.

He will face Filip Krajinovic, who beat Feliciano Lopez, for a place in the semi-finals while his quarter-final win also earned him a place in this year’s ATP World Tour Finals in London.

One break of serve was enough to earn the Argentine the opening set while the duo traded breaks in the second set before Del Potro wrapped it up via the tie-breaker.

Fifth seed Edmund battled to a three-set win over Matteo Berrettini, winning 7-5, 6-7 (2-7), 7-5 in just under three hours.

The British No 1 will face Dusan Lajovic in the quarters after the Serb qualifier stunned Grigor Dimitrov with a 6-4, 2-6, 6-4 win.

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