Official Rules of Racquetball
4.1 - Doubles Team
(a) A doubles team shall consist of two
players who meet either the age requirements or player classification
requirements to participate in a particular division of play. A team
with different skill levels must play in the division of the player
with the higher level of ability. When playing in an adult age
division, the team must play in the division of the younger player.
When playing in a junior age division, the team must play in the
division of the older player.
(b) A change in playing partners may be
made so long as the first match of the posted team has not begun. For
this purpose only, the match will be considered started once the teams
have been called to the court. The team must notify the tournament
director of the change prior to the beginning of the match.