The Korean Series is the championship series of the Korea Baseball Organization. It has been held since the KBO's first season in 1982 and is the final series of in the post-season play-offs. From 2005, the winner of the Korean Series goes on to play in the Asia Series. The teams finishing in third and fourth place in the regular season face each other in the first round of the play-offs. The winner of the first round faces the team that finished in second place during the regular season, and the winner of that round, faces the team that finished in first place team in the Korea Series final.