Russian Karen Khachanov wins at Flushing Meadows 7-5, 4-6, 7-5, 6-7 (3), 6-4. After losing to Karen Khachanov in the quarterfinals of the US Open at Flushing Meadows, Nick Kyrgios reacts to the outcome. In the semi-finals, Khachanov will face Norway's Casper Ruud.
