2018 Australian Open Men's Singles Fourth Round - South Korea's Chung Hyeon beat Serbia's Novak Djokovic to Enter Quarter-finals

Six-times champion Novak Djokovic bowed out of the Australian Open in the fourth round as relentless South Korean Chung Hyeon ground him down to claim a stunning 7-6(4) 7-5 7-6(3) victory on Monday Jan 22,2018

The 21-year-old Chung, ranked 58th in the world, proved an immovable object, absorbing everything the former world number one could throw at him and returning it with interest.

Chung will face unseeded American Tennys Sandgren for a place in the semi-finals.