The ball shall be regarded as passing over or around the net assembly if it passes anywhere other then between the net and the net post or between the net and the playing surface. The receiver is the player due to strike the ball second in a rally. The server is the player due to strike the ball first in the rally. A point is a rally of which the result is scored. A let is a rally of which the result is not scored.
A rally is the period which the ball is in play. At least 85% of the blade thickness shall be of natural wood. The surface covering material shall be matt and bright red on one side and black on the other. The racket can be any size, shape or weight but the blade shall be flat and rigid. The ball shall be spherical, with a diameter of 40mm. The ball shall weigh 2.7g. The ball shall be made of celluloid or similar plastics material and shall be white or orange, and matt.
The bottom of the net, along its whole length, shall be as close as possible to the playing surface and the ends of the net shall be attached to the supporting posts from top to bottom. The net assembly shall consist of the net, its suspension and the supporting posts, including the clamps attaching them to the table. The net shall be suspended by a cord attached at each end to an upright post 15.25cm high, the outside limits of the post being 15.25cm outside the side line. The top of the net, along its whole length, shall be 15.25cm above the playing surface. For doubles, each court shall be divided into 2 equal half-courts by a white centre line, 3mm wide, running parallel with the side lines the centre line shall be regarded as part of each right half-court. The upper surface of the table, known as the playing surface, shall be rectangular, 2.74m long and 1.525m wide, and shall lie in a horizontal plane 76cm above the floor. The playing surface shall not include the vertical sides of the tabletop. The playing surface may be of any material and shall yield a uniform bounce of about 23cm when a standard ball is dropped on to it from a height of 30cm. The playing surface shall be uniformly dark coloured and matte, but with a white side line, 2cm wide, along each 2.74m edge and a white end line, 2cm wide, along each 1.525m edge. The playing surface shall be divided into 2 equal courts by a vertical net running parallel with the end lines, and shall be continuous over the whole area of each court.
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BASIC RULES OF TABLE TENNIS AS PER THE ITTF
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