Russian warrior ousts US Open favorite

Karen Khachanov stunned Nick Kyrgios in New York

Karen Khachanov sealed a first-ever Grand Slam semifinal appearance of his career as the big-serving Russian overcame Nick Kyrgios at the US Open, defeating the man many had tipped to go all the way to the title in New York.

Australian Kyrgios, 27, had been installed as favorite for the tournament after continuing his scintillating recent for