Players are firing tennis balls over 100 m.p.h. and sometimes ... the world No. 1 accidentally sent a ball flying into the head of a ball boy. Thankfully, the boy seemed OK, with Djokovic running ...

I can start to feel tennis in the air. My club opens in early May. What do I think about first when I think about getting out there again? I think not about hitting a ball but about walking around ...

The basic idea was to make a tennis ball that would start spinning at the push of a button, rather than by skillful wielding of a racket: a spinning ball that flies through the air will follow a ...