September 11, 2026 at 1:02 PM EDTNancy Froston·Senior Writer, LiveHello, tennis fans!Welcome to The Athletic's live coverage of tonight's first men's semifinal as French Open champion and No. 1 seed Alexander Zverev takes on No. 50 ranked Karen Khachanov with a spot in the final on the line. The victor will face the winner of tonight's later match between American duo Frances Tiafoe (11) and Ben Shelton (8). Stay tuned from now through match point for the latest news, analysis, reaction and more from Flushing Meadows.