Race For No. 1 In Men’s Tennis: Rafael Nadal, Carlos Alcaraz & Casper Ruud All Still Have A Shot

There will be a new U.S. Open champion on Sunday and a new world No. 1 in men’s tennis on Monday. Ahead of Friday’s semifinals, three men have a chance to become world No. 1: Rafael Nadal (currently No. 3), Carlos Alcaraz (4) and Casper Ruud (7).