Original: Scoring is also by fifteens and tens in every game, but a second bounce can result in a "chase" rather than an outright point, similar to real tennis; the team which wins 11 games is the winner of the match.
Simplified: Scoring is by fifteens, as in tennis and the team which wins 12 games is final winner of the match. Scoring is also by fifteens, but in this version a second bounce can result in a "chase" rather than an outright point, similar to real tennis.