Top-ranked Jannik Sinner has made it two wins in two matches before his home fans at the ATP Finals by beating Taylor Fritz 6-4, 6-4 in a rematch of the U.S. Open final

Carlos Alcaraz struggled with a stomach issue and looked far from the player who won two Grand Slams this year in losing to Casper Ruud 6-1, 7-5 at the ATP Finals on Monday. It marked Ruud’s first victory over Alcaraz in five career meetings,