NEW YORK—Jack Sock and Taylor Fritz are both from the U.S., they’re separated in age by just five years and they play the same sport for a living. Other than that, though, their on-court personalities ...

With a fierce forehand and a renewed perspective, Jack Sock will take on tennis’ ultimate challenge on clay in the form of a fourth round date today with Rafael Nadal. Six months ago, Sock tore a ...

NEW YORK—In researching Jack Sock for a profile about the American this summer, most coaches and commentators spoke to the 23-year-old’s steady progress and immense potential. Sock’s forehand, with ...

As the French Open gets set to begin, the biggest American tennis news on the men’s side has nothing to do with an active player. Fans are buzzing after 2016 champion Novak Djokovic announced last ...