If you’re struggling to get the most out of your game, make sure you’re using the right tennis balls. It’s easy to focus on switching rackets or shoes, but high-quality tennis balls can make a big ...

In the run-up to the Australian Open, defending champion Novak Djokovic’s right wrist was sore — hardly ideal for a tennis player who swings his racket primarily with that arm. Cam Norrie, the ...