During a game, the player resting may have several opportunities to win the game. For instance, if the game goes 15-40, the player resting will have 2 opportunities to win the game, at least. So there will be 2 break points during that game.

What we are counting here is the amount of total break points won during the match. I am just checking the Roland Garros web to confirm the official amount of total break points won in each match.