Nick Kyrgios’s finest season continues to get finer, and on Sunday he defeated No. 1 Daniil Medvedev, the defending U.S. Open men’s singles champion, 7-6 (11), 3-6, 6-3, 6-2, with a deeply convincing display of power and finesse to reach his first quarterfinal in New York.
Sunday’s fourth-round match was played at breakneck pace and peaked in terms of mutual quality of play in its torrid opening set. Both men appealed to the sellout crowd in Arthur Ashe Stadium for support and both saved three set points before Kyrgios secured it after 63 minutes.
But though Medvedev, who will lose his No.