![Melbourne, Australia. 22nd Jan, 2018. Korean tennis player Hyeon Chung is in action during his 4th round match at the Australian Open vs Serbian tennis player Novak Djokovic on Jan 22, 2018 Melbourne, Australia. 22nd Jan, 2018. Korean tennis player Hyeon Chung is in action during his 4th round match at the Australian Open vs Serbian tennis player Novak Djokovic on Jan 22, 2018](https://c8.alamy.com/comp/M0GPE8/melbourne-australia-22nd-jan-2018-korean-tennis-player-hyeon-chung-M0GPE8.jpg)
Melbourne, Australia. 22nd Jan, 2018. Korean tennis player Hyeon Chung is in action during his 4th round match at the Australian Open vs Serbian tennis player Novak Djokovic on Jan 22, 2018
![Chung Hyeon upsets idol Novak Djokovic to become first Korean to reach quarter-finals at a Grand Slam - Sport360 News Chung Hyeon upsets idol Novak Djokovic to become first Korean to reach quarter-finals at a Grand Slam - Sport360 News](https://sport360.com/wp-content/uploads/2018/01/GettyImages-908684848.jpg)
Chung Hyeon upsets idol Novak Djokovic to become first Korean to reach quarter-finals at a Grand Slam - Sport360 News
![Novak Djokovic: Hyeon Chung, the newest giant-killer who disposed off Novak Djokovic | Tennis News - Times of India Novak Djokovic: Hyeon Chung, the newest giant-killer who disposed off Novak Djokovic | Tennis News - Times of India](https://static.toiimg.com/thumb/msid-62613205,width-1200,height-900,resizemode-4/.jpg)
Novak Djokovic: Hyeon Chung, the newest giant-killer who disposed off Novak Djokovic | Tennis News - Times of India
![Roger Federer into seventh Australian Open final after Hyeon Chung retires | Sports | German football and major international sports news | DW | 26.01.2018 Roger Federer into seventh Australian Open final after Hyeon Chung retires | Sports | German football and major international sports news | DW | 26.01.2018](https://static.dw.com/image/42315412_303.jpg)