"He's possibly going to be No. 1 in the world," Matteo Berrettini says of Casper Ruud.
LeBron James salutes Frances Tiafoe's masterful US Open win.
The Spaniard is in a down mood after a tough loss, but plans to come back stronger.
The Spaniard's loss has opened the door for Carlos Alcaraz and Casper Ruud to make a run at No.1.
The American is in it to win it in Queens.
The Croatian dismantled red-hot Liudmila Samsonova to reach her first US Open quarterfinal.
The Russian's loss opens the door for three players.