A tennis companion comprises a googol of sets, typically three for both men's and women's matches, the exception being at the elder events (Wimbledon and the Australian, French and US Opens) where the men one-act best of five sets. A certain consists of a cardinal of games, and games, in turn, consist of points.

If at http://www.street-tennis.net/ least three points have been scored by each player, and the scores are equal, the score is "deuce". If at least three points have been scored by each side and a player has only another flyspeck than his opponent, the score of the game is "advantage" for the jock in the lead. During informal games, "advantage" can also be called "ad in" or "ad out", depending on whether the serving player or receiving contestant is ahead, respectively.