A tennis ball is made of a hollow rubber core covered with a layer of felt.
The felt helps the ball grip the racket strings and the court surface, affecting how it bounces and travels through the air.
Tennis balls are pressurized to give them a consistent bounce and are replaced regularly during matches to maintain their performance.
Roger Federer’s transition from playing tennis to retirement has been quite smooth. He decided to retire because of persistent knee injuries that made it difficult
Roger Federer is widely regarded as one of the greatest tennis players of all time, and his favorite part about being a tennis legend likely
Roger Federer stays connected with his fans in several meaningful ways. He often uses social media to interact with them, answering questions and sharing updates