Badminton court related knowledge do you understand?

Sketch of badminton field (ball width is 0.04m)

1. In the singles match, when the player hits the ball in the direction of the opponent, the landing range of the ball cannot exceed the red zone, otherwise it is shown as out of bounds;

2. In the doubles match, when the player hits the ball in the direction of the opponent, the landing range of the ball cannot exceed the blue area, otherwise it is shown as out of bounds;

3. The deep red area means single serve area;

4. Dark blue area indicates doubles serve area.

The venue of the standard badminton hall is a rectangular venue with a length of 13.40m, a double-strike venue with a width of 6.10m, and a single venue with a width of 5.18m.

The horizontal of the badminton court is divided into the right and left two and a half zones by the middle line; the vertical direction is divided into the front field, the middle field and the back field. The two lines outside the venue are the sideline of the doubles field, and the two lines inside are the sidelines of the singles field. The double-strike edge is 0.46m away from the single-sided edge, and the two lines parallel to the net 1.98m and the net are the front service lines, and the line parallel to the end-line 0.76m is the double-strike service line.

In badminton singles and doubles matches, the line between singles and doubles is not the same. In the sideline, the singles sector is the inside lane, and the doubles lane is the outside lane. In the front lane, the singles and doubles lanes are the outer lanes. However, in the doubles serve, the backcourt lane of the court is only valid in the doubles, and the other serves. Cannot exceed this line;

In addition, serve the ball after the front serve line, but also have to pass the other front serve line to be effective. The middle line is set to require that singles and doubles serve must be sent diagonally and cannot be sent in the same direction. It must be sent over the midline;

When serving, if the ball wipes the net is also valid, but must pass the front field service line of the other field.

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