It has been held since the KBO League's first season in 1982 and is the final series of the post-season play-offs.

The teams finishing in fourth and fifth place in the regular season face each other in the wild card game, which was added to the KBO League postseason in 2015.

[1] The winner of the wild card game faces the team that finished in third place during the regular season in the first round of the play-offs, with the winner then facing the team that finished in second place during the regular season in the second round of the play-offs.

The winner of that round faces the team that finished in first place for the championship in the Korean Series.

The following are the ten matchups of teams that have occurred two or more times in the Korean Series.