Six-time champion Djokovic crashes out of Australian Open
Six-time champion Novak Djokovic crashed out of the Australian Open after losing to South Korea's Hyeon Chung in straight sets 6-7(4-7), 5-7, 6-7(3-7) in the fourth round on Monday. The last time world number 14 Djokovic lost in straight sets at Australian Open was in 2007. World number 58 Chung became the first South Korean to reach Grand Slam quarters.