Hyeon Chung gets it done!
— US Open Tennis (@usopen) January 24, 2018
He becomes the first Korean to reach the semifinals of a Grand Slam with his 6-4, 7-6, 6-3 win over Sandgren at the Australian Open! https://t.co/Ht5lbZOdwX
📷: #USOpen pic.twitter.com/0n9y0IwlYj