The US Open was supposed to be a slam dunk for Novak Djokovic but instead of moving closer to Roger Federer in the Grand Slam record books, the world No. 1 was defaulted Sunday when he struck a line judge with a ball.
원문출처 : https://www.cnn.com/2020/09/06/tennis/us-open-tennis-djokovic-spt-intl/index.html
원문출처 : https://www.cnn.com/2020/09/06/tennis/us-open-tennis-djokovic-spt-intl/index.html