What are tennis balls made of? Modern tennis balls are made of a hollow rubber core, covered in a wool or nylon shell which is known as the nap. Pressurised air inside the rubber core makes the ball ...

"It's probably a bit of a shock to a lot of people," Millman said. "But, you know, that's a great thing about tennis, that's the great thing about sport: There's always upsets that can happen." ...

Walmart is making that easy right now by selling Wilson tennis balls for only $1 each. To get them for that low price, you have to buy a three-pack. Three-ball cans of Wilson Titanium All Court ...

Normally when people are asked to share "interesting" facts about themselves ... Watch live coverage from three courts on Tennis Channel PLUS beginning Monday 10/29 at 6:00 AM EST.

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 ...