Chung is the first South Korean man or woman to reach the semi-finals at a Grand Slam

Australian Open: Unseeded Chung Hyeon enters semi-final

Unseeded Chung Hyeon has already reached the semi-final and will face either defending champion Roger Federer or Tomas Berdych in Friday's semi-final

Australian Open: Roger Federer vs Tomas Berdych, some match facts

Giantkillers Chung Hyeon and Tennys Sandgren face off in a last-eight showdown no one expected on Rod Laver Arena

Australian Open: Chung Hyeon, Tennys Sandgren, Federer, Halep, Pliskova Berdych target semis

Djokovic battled with a lower back injury as he claimed his 11th round

Novak Djokovic powers into 11th Aussie Open fourth round

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Australian Open: Unseeded Chung Hyeon enters semi-final

Australian Open: Roger Federer vs Tomas Berdych, some match facts

Australian Open: Chung Hyeon, Tennys Sandgren, Federer, Halep, Pliskova Berdych target semis

Novak Djokovic powers into 11th Aussie Open fourth round