Dallas Mavericks big man Dirk Nowitzki discusses his tennis roots, second annual charity event and more.

Serena Williams back on court at the 2018 Australian Open? "That's the goal," says her coach Patrick Mouratoglou.

Cleaning out the mailbox after the U.S. Open and looking ahead to the fall 2017 season. 

The 90-second break during tennis matches gives fans a unique look at how the world’s best approach the mental side of competition.