Khachanov stuns Auger-Aliassime in four sets at the US Open
Unseeded Karen Khachanov defeated third seed Felix Auger-Aliassime 6-7(5-7), 6-3, 6-2, 6-2 in the US Open second round, edging the Canadian after a tight opening-set tiebreak as Khachanov leveraged clean winners and Auger-Aliassime’s miscues to advance.