U.S. Open live updates: Frances Tiafoe vs. Carlos Alcaraz
The winner of Friday’s semifinal between Carlos Alcaraz and Frances Tiafoe will face Casper Ruud, the Norwegian No. 5 seed who defeated Karen Khachanov, 7-6 (7-5), 6-2, 5-7, 6-2, earlier Friday.Ruud will play in his second Grand Slam…