The tennis scoring system is the standard system by which tennis matches and tournaments are generally operated and scored. A tennis tournament is organized into matches between players (for singles tournaments) or teams of two players (for doubles tournaments). The matches of the . tournaments are grouped into rounds. In round all players (or teams) are paired and play against each other in matches. The losers are said to leave, or be out. They no longer compete in the tournament (this is single elimination). The winner of the final round will go further for the other matches of the tournament. A tennis match is composed of points, games, and sets. Traditionally, matches are either a best of three sets or best of five sets format. The best of five set format is typically only played in the men’s singles or doubles matches at Majors and Davis Cup matches.