Roger Federer loved to win, of course, and at the peak of his career almost always did

Carlos Alcaraz will open the defense of his U.S. Open title against an opponent who made a strong run at Wimbledon while the Spaniard was sidelined with an injury

Karolina Muchova and Jakub Mensik won the U.S. Open mixed doubles title Wednesday night, beating Belinda Bencic and Flavio Cobolli 6-3, 1-6 (10-6)

Serena and Venus Williams are teaming up again at the U.S. Open

Five-time U.S. Open champion Roger Federer returned to Arthur Ashe Stadium to play one last match for fun against longtime rival and friend Andy Roddick

Elina Svitolina and Gael Monfils have both gone far but never all the way to the U.S. Open title

Serena Williams and Carlos Alcaraz are out of the mixed doubles tournament at the U.S. Open

Roger Federer is actually nervous about his tennis

Coco Gauff defeated fellow American Jessica Pegula, 6-2, 6-4, to capture her second women’s Cincinnati Open title on Sunday, and Arthur Fils of France defeated American Frances Tiafoe 6-3, 1-6, 6-0 in the men’s final for his first Masters 1000 title