Tennis is one of the ball games. The effective tennis court is rectangular, 23.77 meters long, 8.23 meters wide for singles and 10.97 meters wide for doubles. There is a net in the middle, and both sides of the game occupy one side of the field. Players hit the ball with tennis rackets. ?
Tennis was born in France and Britain, and its popularity and formation reached its climax in the United States. It originated in France in12-13rd century. At the first modern Olympic Games held in Athens from 65438 to 0896, tennis men's singles and doubles were listed as official events. Later, due to the differences between the International Olympic Committee and the International Tennis Federation on the issue of "amateur athletes".
Tennis has been cancelled for seven consecutive Olympic Games. Tennis was not listed as an Olympic event until 1984 Los Angeles Olympic Games. 1988 At the Seoul Olympic Games, tennis was once again listed as an official event.
Time adjustment
The game should start from the first serve until the end of the game, and the game should continue.
(1) If the first serve is wrong, the server shall serve the second serve immediately without delay. The receiver must follow the steps of the server and prepare to catch the ball when the server is ready to serve.
When changing venues, the longest time from the end of the last minute of this game to the first minute of the next game is 1 minute and 30 seconds.
(2) The competition cannot be postponed, interrupted or interfered because a player wants to recover his physical strength, breathing or physical condition. However, in case of accidental injury, the referee may allow the game to be suspended for 3 minutes due to injury.
(3) If the player can't continue the game due to reasons beyond his control, such as the appearance of his clothes, shoes or equipment (including the racket), the referee can suspend the game and the player can make adjustments.
(4) When necessary and appropriate, the referee may suspend or postpone the game at any time.
(5) After the third set, or after the second set of women's competition, if there are circumstances beyond the control of the players and the referee thinks it is necessary, each player can have a rest time of no more than 10 minutes.
(6) The organizing committee of the competition has the right to decide the preparation time before the competition, but it cannot exceed 5 minutes at most, and it shall be announced before the competition.