What are the requirements for tennis?
site
The area of the tennis court is not less than 36.6 meters long and 18.3 meters wide. Within this area, the effective tennis playing field is a rectangular area with a length of 23.77 meters, a singles field of 8.23 meters, and a doubles field of 10.97 meters. The net posts installed on both sides of the court are used to support the net. The distance between the net posts is 12.80 meters, the top of the net post is 1.07 meters from the ground, and the height of the midpoint of each side net post is 0.914 meters from the ground. In tennis courts, the color of the court line is generally white or yellow. Except the maximum width of the end line can reach 10 cm, the width of all other field lines should be between 2.5 cm and 5 cm.
ball
The game ball is yellow and made of rubber compound. The outer surface is evenly covered with wool fibers, and there are no stitches at the seams. The diameter of the ball is 6.35-6.67 cm, and the weight is 56.7-58.5 grams.
racket
The rackets are made of wooden rackets, aluminum alloy rackets, steel rackets and composite (nylon, carbon) rackets. Rackets of any material can be used in the game. The hitting surface of the racket must be flat, formed by interweaving or connecting the strings up and down, and their composition format is exactly the same. Each string must be connected to the racket frame. The total length of the racket frame and the handle shall not exceed 73.66 cm, and the total width of the racket frame shall not exceed 31.75 cm.
