A POINT

1) Unless the rally is a let, a player shall score a point

2) If an opponent fails to make a correct service;

3) If an opponent fails to make a correct return;

4) If, after he or she has made a service or a return, the ball touches anything other than the net assembly before being struck by an opponent;

5) If the ball passes over his or her court or beyond his or her end line without touching his or her court, after being struck by an opponent;

6) If an opponent obstructs the ball;

7) If an opponent deliberately strikes the ball twice in succession;

8) If an opponent strikes the ball with a side of the racket blade whose surface does not comply with the requirements of 2.4.3, 2.4.4 and 2.4.5;
9) If an opponent, or anything an opponent wears or carries, moves the playing surface;

10) If an opponent, or anything an opponent wears or carries, touches the net assembly;

11) If an opponent's free hand touches the playing surface;

12) If a doubles opponent strikes the ball out of the sequence established by the first server and first receiver;

13) As provided under the expedite system (2.15.4).

14) If both players or pairs are in a wheelchair due to a physical disability and

15) His or her opponent does not maintain a minimum contact with the seat or cushion(s), with the back of the thigh, when the ball is struck;

16) His or her opponent touches the table with either hand before striking the ball;

17) His or her opponent's footrest or foot touches the floor during play.

18) As provided under the order of play (2.8.3).