1 up 1 down:
Play 3 sets switching teams every set (within same court) Keep track of your games won.
One that wins the least games on court 1 moves down to court 2 the next week
One that wins the most games on court 2 moves up to court 1 the next week.
One that wins the most games on court 3 moves up to court 2 the next week
The two that are in the middle stay on the same court the next week.
If 2 players are tied in points after the 3rd set then a singles tiebreaker will ensue - rule differences are 2 serves and singles lines)
3-way tie: If 3 players are tied in points after the 3rd set then play 3 singles tiebreakers are played - if each player wins of the tiebreakers, then add and compare the points from the 3 tiebreakers to determine who moves down or up.
Subs: See home page.