Modern tennis balls are made of a hollow rubber core ... If all the cloth used to make the balls during Wimbledon was laid out, it would cover a pitch the size of the Millennium Stadium! Yes.

Alex, 23, from Sierra Leone, had his jaw removed and reconstructed aboard Mercy Ships' Global Mercy after a benign tumour grew to the size of a tennis ball, affecting his ability to eat and speak. The ...

Opponents hit a tennis ball with a racket back and forth over a .914 metre (3ft) net in the middle of the court. The goal is to hit the ball into the opponent’s half of the court without them being ...