APPENDIX K ITF RULES OF TENNIS all, a tie-break game shall be played. Alternatively (at the discretion of the  sanctioning body), if the score reaches three games all, a tie-break game shall  be played. When playing Short Sets only, a Short Set tie-break may be used. The first  player/team to win five points wins the “Game” and “Set”, with a deciding  point if the score reaches four all. The order and number of serves shall be  determined by the sanctioning body. Players/Teams will only change ends  after the first four points have been played. 2.  SHORT SET TIE-BREAK 3.  MATCH TIEBREAK 7 POINTS When the score in a match is one set all, or two sets all in best of five sets  matches, one tie-break game shall be played to decide the match. This tie- break game replaces the deciding final set.  The player/team who first wins seven points shall win this match tie-break and  the match provided there is a margin of two points over the opponent(s). When the score in a match is one set all, or two sets all in best of five sets  matches, one tie-break game shall be played to decide the match. This tie- break game replaces the deciding final set. The player/team who first wins ten points shall win this match tie-break and  the match provided there is a margin of two points over the opponent(s). 4.  MATCH TIEBREAK 10 POINTS Note: When using the match tie-break to replace the final set: •  the original order of service continues. (Rules 5 and 14) •  in doubles, the order of serving and receiving within the team may be altered,  as in the beginning of each set. (Rules 14 and 15) •  before the start of the match tie-break there shall be a 120 seconds set break. •  balls should not be changed before the start of the match tie-break even if a  ball change is due. CHANGE OF ENDS (RULE 10) During a tie-break game, players shall change ends after the first point and  thereafter after every four points. 467