Rule 10. Order of Play
10-1. Match play
a. Teeing Ground
The side entitled to play first from the teeing ground is said to have the 'honour'.
The side which shall have the honour at the first teeing ground shall be determined by the order of the draw. In the absence of a draw, the honour should be decided by lot.
The side which win a hole shall take the honour at the next teeing ground. If a hole has been halved, the side which had the honour at the previous teeing ground shall retain it.
b. Other Than on Teeing Ground
When the balls are in play, the ball farther from the hole shall be played first. If the balls are equidistant from the hole, the ball to be played first should be decided by lot.
c. Playing Out of Turn
If a player plays when his opponent should have played, the opponent may immediately require the player to cancel the stroke so played and, in correct order, play a ball without penalty as nearly as possible at the spot from which the original ball was last played (see Rule 20-5).
10-2. Stroke Play
a. Teeing Ground
The competitor entitled to play first from the teeing ground is said to have the 'honour'.
The competitor who shall have the honour at the first teeing ground shall be determined by the order of the draw. In the absence of a draw, the honour should be decided by lot.The competitor with the lowest score at a hole shall take the honour at the next teeing ground.
The competitor with the second lowest score shall play next and so on. If two or more competitors have the same score at a hole, they shall play from the next teeing ground in the same order as at the previous teeing ground.
b. Other Than on Teeing Ground
When the balls are in play, the ball farthest from the hole shall be played first. If two or more balls are equidistant from the hole, the ball to be played first should be decided by lot.
Exceptions:
Rules 22 (ball interfering with or assisting play) and 31-5 (four-ball stroke play).
c. Playing Out of Turn
If a competitor plays out of turn, no penalty is incurred and the ball shall be played as it lies. If, however, the Committee determines that competitors have agreed to play in an order other than that set forth in Clauses 2a and 2b of this Rule to give one of them an advantage, they shall be disqualified
(Incorrect order of play in threesomes and foursomes stroke play - see Rule 29-3).
10-3. Provisional Ball or Second Ball from Teeing Ground
If a player plays a provisional ball or a second ball from a teeing ground, be should do so after his opponent or fellow-competitor has played his first stroke, If a player plays a provisional ball or a second ball out of turn, Clauses 1c and 2c of this Rule shall apply.
10-4. Ball Moved in Measuring
If a ball is moved in measuring to determine which ball is farther from the hole, no penalty is incurred and the ball shall be replaced.