The top two were promoted directly, the third to sixth were promoted to the first team through the play-offs, and the last one was directly relegated. The team with the second worst performance will play off the second place in JFL to determine a relegation quota.
Japan's Group B professional football league, also known as J2 league, is the second level in the football league system after Japan's Group A professional football league. Sponsored by Japan Professional Football Federation, the first tournament was held in 1999.
The champion and runner-up in J2 League can directly advance to J 1 League next season, but if the champion and runner-up team fails to obtain the license of J 1 League next season, the qualification will not be postponed, but the number of relegated teams in J 1 will be reduced.
There will be a round of semi-finals (3-6, 4-5) and play-off finals for the 3rd to 6th places in J2 League. The top teams have home court advantage, and if they draw, they will be promoted. The winner of the upgrade play-offs will play another round of upgrade play-offs with the16th place of J 1. J 1 team has home court advantage, and a draw can avoid relegation.
Alliance mode:
(1) Twenty-two teams play home and away double-cycle single-stage games, with 42 rounds of league matches, and the final ranking is determined according to the results.
(2) The first half and the second half are 45 minutes each. After 90 minutes, if the score is the same, it will be a draw without playing overtime. Winner has 3 points, draw 1 point, and loser has 0 point.
(3) Time-sharing ranking determines the order: goal difference → number of goals → mutual recording → fair competition points → lottery.
(4) In principle, the champion and runner-up in J2 League can directly advance to J 1 League next season, but if the champion and runner-up team fails to obtain the permission of J 1 League next season, their qualification will not be postponed, but the number of relegated teams in J 1 will be reduced; The 3rd to 6th places in J2 League will have a round of semi-finals (3-6, 4-5) and play-off finals. The top team has home court advantage, and a draw will qualify.
Basic forms of J 1 J2 lifting stage:
(5) In principle, J2 2 1 and 22nd will be directly relegated to J3 League next season. However, 2 1 will be downgraded if the third runner-up in J3 League has a J2 League license for next season. 2 1 and 22 will both be relegated if the 3rd runner-up and 3rd runner-up in J3 League don't have J2 League license next season.