Two players, as a team, are on the baseline on one side; two other players, also a team, are on the baseline on the other side.
They all can hit anywhere in the court, alleys included.
One of them puts the ball in play and the point is played out.
Scoring: Players (or the coach) count the number of times the ball travels over the net during the rally; the winner of the rally gets a number of points equal to the number of times the ball went over the net during the rally. That total is then added to the winning team’s total.
First team to 100 wins.