Each player can have either of these points in one game: 0 ("Love") 15 ("Fifteen") 30 ("Thirty") 40 ("Forty") If you have 40 and you win the ball you win the game. If both have 40 the score is "deuce". If the game is in deuce, the winner of a ball will have advantage. If the player with advantage wins the ball, the player wins the game If the player without advantage wins they are back at deuce.