Tennis players may check three balls or more before serving to select one smooth ball and one fluffy ball. The smooth ball is used for the first serve as it travels faster due to flattened hairs.
Is it legal to switch hands in tennis? Yes. You can switch hands between points.
Tennis Etiquette
Apologizing for hitting the net in tennis is a gesture of acknowledging a lucky break that may deny opponents a fair chance to return the ball.
Multilingual Abilities of Tennis Players
Rafael Nadal speaks English, Spanish, and Catalan as his local languages, while he has also attempted to learn more languages during his career.