The regular season began on March 23 and ended on October 1.

[2] Doosan Bears ranked ahead of SK Wyverns due to winning their head-to-head season series 9-7.

Each team could sign up to three foreign players, one of whom must be a hitter.

In 2019, the KBO League capped salaries for new foreign players at US$1 million.

[6] The series started with a 1–0 advantage for the fourth-placed team.