What do you know about badminton?
1. Badminton court specifications
The badminton court is a rectangular court, 13.40 meters long, 6.10 meters wide for doubles, and 5.18 meters wide for singles. Each line on the court is 4cm wide and measurements should be taken from the outer edge of the line. The boundaries of the court are best drawn in white, yellow, or another easily identifiable color. The minimum space for the entire stadium is 9 meters. There must be no beams or other obstacles within this height, and no obstacles within 2 meters of the stadium. There should be a minimum distance of 2 meters between any two courts placed side by side. The walls around the court should be dark and free from wind.
2. Badminton net specifications
The badminton net is 6.10 meters long and 76 centimeters wide. It is made from high-quality dark natural or man-made fibers. Mesh size is between 15-20 mm. The upper edge of the net should be sewn with 75-wide double-layer white cloth and thin steel wire rope. Or pass the nylon rope through the interlayer and hang it firmly between the two net posts. The standard net should be yellowish brown or grass green. The net post is 1.55 meters high. Regardless of whether it is singles or doubles, the two uprights must stand at the midpoint of the sideline of the doubles court. In official competitions, the upper edge of the net is 1.524 meters above the ground, and the height of the two ends of the net is 1.55 meters. The ends of the net must be fixed to the posts and there should be no gaps between them.
3. Serving Rules
Singles: If the score of the side receiving the right to serve is 0 or an even number, the serve will be served from the right service area. If the score is an odd number, the ball is served from the left tee box. The receiving side receives the serve in the service area diagonally opposite the service area. Score every ball.
Double: If the score of the right to serve is 0 or an even number, the player on the right serves. If the score is an odd number, the player on the left serves the ball and the receiving team does not change position. After the side with the right to serve scores, when the score becomes an even number, the server switches to the side with the right to serve; when the score becomes an odd number, the server switches to the left side to serve. The receiver does not change position. Score every ball.