Watch Highlights: Chung Reaches Maiden Grand Slam Semi-Final Australian Open 2018

Watch highlights as Hyeon Chung of South Korea beats Tennys Sandgren to reach the Australian Open semi-finals. Watch more video and live matches at www.ausopen.com. Highlights not available in Aus., NZ or Canada and only available in Europe and USA 24 hours after completion of the match. Photo Credit: Peter Staples/ATP World Tour