A knockout tournament is a type of competition where participants compete in matches, and the loser is eliminated from the tournament. This format continues until only one participant remains, who is declared the winner. Each match typically involves two competitors, and the winner advances to the next round. Knockout tournaments are commonly used in various sports, such as football, tennis, and basketball. They can also be found in games and contests, making them a popular choice for organizing events with a clear and straightforward progression. The excitement builds as teams or individuals strive to avoid elimination.