Court Exchange is a term used in tennis to describe a situation where two players hit the ball back and forth until one of them fails to return it. It is also known as a RALLY, which is a five-letter word that can be used to solve the crossword puzzle. A court exchange is an important part of the game of tennis, as it tests the players' reflexes and ability to keep the ball in play. The player who wins the court exchange usually has the advantage in the point.