after every point
On the first serve of every game you serve from the right side.
Deuce side, otherwise known as the right side of the court. This is the same for doubles, too.
Match point is played just like any other point in tennis, where the server must serve into the opposite service box on the receiver's side, but if the person with the match point wins the point, the match is over.
In tennis, you don't serve on just one side. The first serve of each game will be from the deuce side (the right side if you are standing on the baseline) and the ball will be hit cross-court to the other player's deuce side. The next serve will be from the ad side (the left if you are standing on the baseline) and go cross-court to the other player's ad side. This alternation will continue until the game is finished and a new one starts or the match is over.
To make the match fair. If one player had the side with no sun they would have the predominate advantage.
In tennis, you don't serve from just one side. For the first point of each game, you should serve from the deuce side (that's the right side if you're standing on the baseline). On the next point, you should serve from the ad side (that's the left side if you're standing on the baseline). You should continue alternating between the deuce side and ad side until the game is over and either the match is over, or you start another game from the deuce side.
Two players on each side compete in a tennis doubles match.
In tennis you must always start on the forehand (right hand) side.
A serve in tennis is when you have the ball to start a game. For instance, the score is 3-4 games, you with 3 games won, and it is your turn to serve. A serve is when you hit the ball on the opposite side of the court in the square. Example: Standing on the right side to serve, you hit it in the square on the left side.
if you are serving, it is the "left" side of the court
Your first serve should be from the deuce side (that's the right side if you're standing on the baseline and looking at the net).
You change when the combined score of both opponents is an odd number. During a tie break, you change after both scores combine to 6 or multiples of 6.