final games of several sporting events used to determine the league champion or similar accolade
The playoffs, postseason, or finals are a series of games played after the regular season of a particular sports league. They are played by the most successful teams of the season. It is used to determine the season's champion. The teams that play in the playoffs are the ones with the most wins or points during the regular season.
Playoffs are usually, but not always, done with a single-elimination system.