The six time champion Novak Djokovic has been knocked out of the Australian Open by Chung Hyeon of South Korea. Chung played brilliant and won the match in straight sets 7-6 7-5 7-6 to become the first Korean player to reach the last eight in a Grand Slam event. In the next round he will face another surprise American Tennys Sandgren who beat the fifth seed Dominic Thiem in just under four hours 6-2 4-6 7-6 6-7 6-3.
Roger Federer the defending champion moved into the last eight with a comfortable victory over world ranked number 80 Marton Fucsovics from Hungary 6-4 7-6 6-2. Up next for Roger is Czech Tomas Berdych who beat Fabio Fognini 6-1 6-4 6-4.