The “Rules of Tennis Competition” promulgated by the International Tennis Federation and the National Sports Commission stipulate that the area of a standard tennis court shall not be less than 36.6 meters (north-south length) × 18.3 (east-west width) meters = 669.78 m2, which is also a standard tennis court. The net size of the net around the site or the inner wall of the indoor building. Within this area, the standard size of the effective doubles field is: 23.77 meters (length) × 10.98 meters (width) = 260.9 m2, There should be a margin of not less than 6.40 meters behind each end line, and a margin of flow of not less than 3.66 meters beyond each side line. Install net posts on the court, measure the center of the two posts, the distance between the posts is 12.80 meters, and the top of the net post is 0.914 meters from the ground.
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If it is two or more parallel tennis courts built together. The distance between the sides of adjacent venues is not less than 4.0 meters. If it is an indoor tennis court, the clear height above 6.40 meters beyond the end line shall not be less than 6.40 meters, and the clear height above the net of the indoor roof shall not be less than 11.50 meters.