Slight deviations from continuity of surface or uniformity of colour dueto accidental damageor wear may be allowed provided that they do not significantly change the characteristics of the surface.
At the start of a match and whenever he changes his racket during a match a player shall show his opponent and the umpire the racket he is about to use and shall allow them to examine it.
The racket covering shall be of a brand and type currently authorised by the ITTF.
A racket shall not be changed during an individual match unless it is accidentally damaged sobadly that it cannot be used.
A rally is the period during which the ball is in play.
The ball is in play from the last moment at which it is stationary on the palm of the free hand before being intentionally projected in service until the rally is decided as a let or a point.
A let is a rally of which the result is not scored.
A point is a rally of which the result is
The racket hand is the hand carrying the racket.
The free hand is the hand not carrying the racket; the free arm is the arm of the free hand.
A player strikes the ball if he touches it in play with his racket, held in the hand, or with his
racket hand below the wrist.
A player obstructs the ball if he, or anything he wears or carries, touches it in play when it is above or travelling towards the playing surface, not having touched his court since last being struck by his opponent.
The server is the player due to strike the ball first in a rally.
The receiver is the player due to strike the ball second in a rally.
The umpire is the person appointed to control a match.
The assistant umpire is the person appointed to assist the umpire with certain decisions.
Anything that a player wears or carries includes anything that he was wearing or carrying, other than the ball, at the start of the rally.
The end line shall be regarded as extending in definitely in both directions.
Service shall start with the ball resting freely on the open palm of the server's stationary free hand.
The server shall then project the ball near vertically upwards, without imparting spin, so that it rises at least 16cm after leaving the palm of the free hand and then falls without touchinganything before being struck.
As the ball is falling the server shall strike it so that it touches first his court and then touches directly the receiver's court; in doubles, the ball shall touch successively the right half court of server and receiver.
From the start of service until it is struck, the ball shall be above the level of the playing surface and behind the server's end line, and it shall not be hidden from the receiver by the server or his doubles partner or by anything they wear or carry.
As soon as the ball has been projected, the server’s free arm and hand shall be removed from the area between the ball and the net.
It isthe responsibility of the player to serve so that the umpire or the assistant umpire can be satisfied
that he complies with the requirements of the Law and either may decide that a service is illegal.
If either the umpire or the assistant umpire is not sure about the legality of a service he may, on the first occasion in a match, interrupt play and warn the server, but any subsequent service by that player or his doubles partner which is not clearly legal shall be considered incorrect.
Exceptionally, the umpire may relax the requirements for a good service where he is satisfied that compliance is prevented by physical disability.
2.7 THE RETURN
2.7.1 The ball, having been served or returned, shall be struck so that it touches the opponent's court, either directly or after touching the net assembly.
In singles, the server shall first make a service, the receiver shall then make a return and thereafter server and receiver alternately shall each make a return.
In doubles, the server shall first make a service, the receiver shall then make a return, the partner of the server shall then make a return, the partner of the receiver shall then make a return and thereafter each player in turn in that sequence shall make a return.
In doubles, when at least one player of a pair is in a wheelchair due to a physical disability, the server shall first make a service, the receiver shall then make a return but thereafter either player of the disabled pair may make returns. However, no part of a player's wheelchair nor a foot of a standing player of this pair shall protrude beyond the imaginary extension of the centre line of the table. If it does, the umpire shall award the point to theopposing pair.
The rally shall be a let;
if in service the ball touches the net assembly, provided the service is otherwise correct or the ball is obstructed by the receiver or his partner;
if the service is delivered when the receiving player or pair is not ready, provided that neither the receiver nor his partner attempts to strike the ball;
if failure to make a service or a return or otherwise to comply with the Laws is due to a disturbance outside the control of the player;
if play is interrupted by the umpire or assistant umpire.
if the receiver is in a wheelchair owingto a physical disability and the ball, provided the service is otherwise good,
leaves the receiver’s court after touching it in the direction of the net;
comes to rest on the receiver’s court;
in singles leaves the receiver’s court after touching by either of its sidelines.
2.9.2 Play may be interrupted;
to correct an error in the order of serving, receiving or ends;
to introduce the expedite system;
to warn or penalise a player or adviser;
because the conditions of play are disturbed in a way which could affect the outcome of the rally.
2.10.1 Unless the rally is a let, a player shall score a point
if his opponent fails to make a correct service;
if his opponent fails to make a correct return;
if, after he has made a service or a return, the ball touches anything other than the net assembly before being struck by his opponent;
if the ball passes over his court or beyond his end line without touching his court, after being struck by his opponent;
if the ball, after being struck by an opponent, passes through the net, between the net and the net post or between the net and the playing surface;
if his opponent obstructs the ball;
if his opponent deliberately strikes the ball twice successively;
if his opponent strikes the ball with a side of the racket blade whose surface does not comply with the requirements of 2.4.3-2.4.6;
if his opponent, or anything his opponent wears or carries, moves the playing surface;
if his opponent, oranything his opponent wears or carries, touches the net assembly;
if his opponent's free hand touches the playing surface;
if a doubles opponent strikes the ball out of the sequence established by the first server and first receiver;
as provided under the expedite system (2.15.4).
if both players are in wheelchairs owing to physical disability and
his opponent does not maintain a minimum contact with the seat or cushions with the back of the thigh when the ball is struck;
his opponent touches the table with either hand before striking the ball;
his opponent's footrest or foot to uches the floor during play
as provided under the order of play (2.8.3)
2.11.1 A game shall be won by the player or pair first scoring 11 points unless both players or pairs score 10 points, when the game shall be won by the first player or pair subsequently gaining a lead of 2 points.
A match shall consist of the best of any odd number of games.
THE ORDER OF SERVING, RECEIVING AND ENDS
The right to choose the initial order of serving, receiving and ends shall be decided by lot and the winner may choose to serve or to receive firstor to start at a particular end.
When one player or pair has chosen to serve or to receive first or to start at a particular end, the other player or pair shall have the other choice.
After each 2 points have been scored the receiving player or pair shall become the serving player or pair and so on until the end of the game, unless both players or pairs score 10 points or the expedite system is in operation, when the sequences of serving and receiving shall be the same but each player shall serve for only 1 point in turn.
In each game of a doubles match, the pair having the right to serve first shall choose whichof them will do so and in the first game of a match the receiving pair shall decide which of them will receive first; in subsequent games of the match, the first server having been chosen, the first receiver shall be the player who served to him in the preceding game.
In doubles, at each change of service the previous receiver shall become the server and the partner of the previous server shall become the receiver.
The player or pair serving first in a game shall receive first in the next game of the match and in the last possible game of a doubles match the pair due to receive next shall change their order of receiving when first one pair scores 5 points.
The player or pair starting at one end in a game shall start at the other end in the next gameof the match and in the last possible game of a match the players or pairs shall change ends when first one player or pair scores 5 points.
2.14 OUT OF ORDER OF SERVING, RECEIVING OR ENDS
If a player serves or receives out of turn, play shall be interrupted by the umpire as soon as the error is discovered and shall resume with those players serving and receiving who should be server and receiver respectively at the score that has been reached, according to the sequence established at the beginning of the match and, in doubles, to the order of serving chosen by the pair having the right to serve first in the game during which the error is discovered.
If the players have not changed ends when they should have done so, play shall be interrupted by the umpire as soon as the error is discovered and shall resume with the players at the ends at which they should be at the score that has been reached, according to the sequence established at the start of the match.
In any circumstances, all points scored before the discovery of an error shall be reckoned.
Except as provided in 2.15.2, the expedite system shall come into operation after 10minutes' play in a game or at any time when requested by both players or pairs.
The expedite system shall not be introduced in a game if at least 18 points have been scored.
If the ball is in play when the time limit is reached and the expedite system is due to come into operation, play shall be interrupted by the umpire and shall resume with service by the player who served in the rally that was interrupted;
if the ball is not in play when the expedite system comes into operation, play shall resume with service by the player who received in the immediately preceding rally.
Thereafter, each player shall serve for 1 point in turn until the end of the game, and if the receiving player or pair makes 13 returns in a rally the receiver shall score a point.
Introduction of the expedite system shall not alter the order of serving and receiving in the match, as defined in
Once introduced, the expedite system shall remain in operation until the end of the match.