The rivalry between Carlos Alcaraz and Jannik Sinner has energized the sport, while billionaire Bill Ackman’s pro debut has drawn criticism.

Tennis champion Naomi Osaka invites audiences to tag along as she explores Tokyo in the debut episode of “Off Day,” a new ...

In just a few days, champions in tennis will pick up their rackets in the nation’s capital for the Mubadala Citi DC Open.