It is best to draw the boundary of the court with white, yellow or other easily recognizable colors. In badminton singles competition, when a player hits the ball in the opposite direction, the landing range of the ball cannot exceed the red (including deep red and light red) area, otherwise it is out of bounds.
In badminton, the scorer has the right to serve. If his score is odd now, serve from the left. Now the score is even, serve from the right. In the third or only one game, when the score of one side reaches 1 1 first, the two sides exchange venues.
The badminton net is 6 6. 10/0m long and 76cm wide. Made of high-quality dark natural or artificial fibers, the mesh number is between15-20mm. No matter whether it is singles or doubles, the two net posts should stand at the midpoint of the sideline of the doubles field.