A sports tournament is a competitive event where teams or individuals participate in a series of games or matches to determine a champion. These tournaments can vary in size and format, ranging from local competitions to international events. Common examples include football tournaments, basketball championships, and tennis opens. Participants in a sports tournament often compete in a knockout format or a round-robin style, where each team plays against all others. Tournaments can be organized by various organizations, such as schools, clubs, or professional leagues, and they often attract fans and spectators who enjoy watching the competition.