A tennis game begins with a serve. One of the players, called the server, stands at one end of the court. The server throws the ball into the air and tries to hit it over the net. The opponent tries to return the serve—hit the ball back over the net. The players hit the ball back and forth until one of them fails to make a good return.
Kids Definition of tennis. : a game played on a level court by two or four players who use rackets to hit a ball back and forth across a low net dividing the court.
A person (usually a kid), responsible to give new balls to the tennis professional in case the ball goes out of the court. The same ball boy is also responsible to supply balls before service. In the case of a girl, this person is known as a ball girl.
A tennis ball is a ball designed for the sport of tennis. Tennis balls are fluorescent yellow in organised competitions,   but in recreational play can be virtually any color. Tennis balls are covered in a fibrous felt which modifies their aerodynamic properties, and each has a white curvilinear oval covering it.
BALL: Oversize Foam ball or oversized low-compression felt ball ORANGE TENNIS (8+ year olds) COURT: Net height: 80 cm (31.5 inches) Length: 18 m (60 feet) Width: Singles: 6.40 m (21 feet) Doubles: 8.20 m (27 feet) Racquet: 23 or 25 inch (depending on player size) BALL: Low Compression ball GREEN TENNIS Full-Court Transition (10+ year olds & adults)
Tennis is one of the most popular individual sports in the world. In tennis the player uses a racquet to hit a ball over a net into the opponents court. The ball must be kept in play and can only bounce one time on the court surface before the opponent must strike the ball back over the net. The standard ball is made up of felt over hollow rubber.
Penn QST 36 Tennis Balls - Youth Felt Red Tennis Balls for Beginners. 4.6 out of 5 stars. 1,678. $23.28. $23. . 28. This USTA-approved ball is engineered to improve skill, with a low bounce rate and a 75% decreased speed. This USTA-approved ball is engineered to improve skill, with a low bounce rate and a 75% decreased speed.
Slower balls, smaller courts and shorter rackets. Players are able to play the game from their first lesson. Players start to play in tennis festival events that use fun, team-based multi match events. Development of good technique and use of realistic tactics. Stage 2. ORANGE. 8-10 years. 50% slower than a Yellow ball* Standard ball 6.00-6.86 ...