When a score is tied at 40-40 you must play a tie breaker to decide who wins. If the person serving wins the first point than it is Advantage (Ad) in, if the opponent wins the first point then it is Advantage (Ad) out. You must win the point after this ad point to win the game or it goes back to 40-40 called Deuce.
A ball hit into the opponent's side of the court which lands within the court's boundaries is called in and play continues. If a ball lands outside the court it is called out and the player who it was hit past recieves a point.
the server has the advantage to win the game after deuce
The term advantage belongs to tennis.
the server
Advantage
it means game point
advantage
Deuce
ADV stands for 'advantage'. ADV is used when a player scores a point when the score is at duece. The player has the 'advantage' because if they win the next point, they win the game. If the player who has the advantage loses the next point, the score goes back to duece.
advantage in favor of the server in tennis; advantage in favor of the receiver. Terms used after a deuce, i.e., 30-all.
You probably mean "Lawn" tennis. Lawn tennis is simply tennis played on a grass court.
tennis
tennis courts