( SP ) AUSTRALIA - MELBOURNE - TENNIS - AUSTRALIAN OPEN - DAY 8 ( 180122 ) -- MELBOURNE , Jan . 22 , 2018 ( Xinhua ) -- Chung Hyeon of South Korea returns a shot during the men ' s singles fourth round match against Novak Djokovic of Serbia at Australian Open 2018 in Melbourne , Australia , Jan . 22 , 2018 . ( Xinhua / Bai Xuefei ) ▶ 기사 제보 및 문의 ▶ 기자 와 1 : 1 채팅    ▶ 평창동 계 올림픽 영상 공모전