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 ...

TURIN – The small furry objects that are the focus of every tennis player’s energy are spinning the stars at the ATP Finals into a fury and leaving them deflated. “The balls are a big ...

ATP President Andrea Gaudenzi has shared an update about tennis ball quality for the 2025 season. The 2024 season raised concerns about the balls, with players complaining they led to injuries.