The Ekstraliga Baseball is the elite competition for the sport of baseball in
Poland. In it, the men's Polish championship is determined annually. Like most European
sports leagues, the Ekstraliga uses a system of
promotion and relegation. The highest division of the Ekstraliga currently consists of six teams, with each team playing four games against each other team. The league is regulated by the
Polish Baseball and Softball Federation (PZBiS).