The First Stage was a best-of-three series and the Final Stage was a best-of-six with the top seed being awarded a one-win advantage.
The top three regular-season finishers played in the two series.
The CLCS began with the first game of the First Stage on October 14 and ended with the final game of the Final Stage on October 24.
Yokohama DeNA BayStars won the series, 2–1.
Yokohama DeNA BayStars won the series, 4–2*.