Nick Kyrgios is out of the US Open after he was out-battled by Russia’s Karen Khachanov in a quarter-final in New York.
Kyrgios, who needed treatment on his left thigh after the first set, lost 7-5 4-6 7-5 6-7 (3-7) 6-4 to 27th seed Khachanov.
Khachanov, plays Norwegian fifth seed Casper Ruud, who beat 13th seed Matteo Berrettini 6-1 6-4 7-6 (7-4).