NEW YORK (AP) — Coco Gauff wishes she weren't trying out a new service motion in what she called “the high-stress situation” of the U.S. Open. She would have loved to have more time to collaborate ...

Every great tennis player has a weakness, especially in their early years. Roger Federer’s single-handed backhand, a work of art, was vulnerable when the ball bounced high. Rafael Nadal exploited that ...