The competition was contested by 73 clubs split geographically across 4 groups, with the winners of each group gaining promotion to the II liga. The season was played in a round-robin tournament. It began in August 2021 and ended in June 2022. The teams included semi-professional clubs (although a few are professional) and the reserve teams of professional clubs.
Format
73 teams were divided into four groups according to geographical criteria:[2]
Source: 90minut.pl Rules for classification: 1. Number of points reached in the entire series of games; 2. Number of points reached in direct matches; 3. Goal difference in direct matches; 4. Goal difference in direct matches – away goals counted twice; 5. Goal difference in the whole series of games; 6. Number of goals scored in the entire series of games. (C) Champions; (P) Promoted; (R) Relegated
Source: 90minut.pl Rules for classification: 1. Number of points reached in the entire series of games; 2. Number of points reached in direct matches; 3. Goal difference in direct matches; 4. Goal difference in direct matches – away goals counted twice; 5. Goal difference in the whole series of games; 6. Number of goals scored in the entire series of games. (C) Champions; (P) Promoted; (R) Relegated; (W) Withdrawn Notes:
^Elana Toruń withdrawn the league after the first half of the season. They relegated to IV liga replacing their reserve team.
Source: 90minut.pl Rules for classification: 1. Number of points reached in the entire series of games; 2. Number of points reached in direct matches; 3. Goal difference in direct matches; 4. Goal difference in direct matches – away goals counted twice; 5. Goal difference in the whole series of games; 6. Number of goals scored in the entire series of games. (C) Champions; (P) Promoted; (R) Relegated
Updated to match(es) played on 5 December 2020. Source: 90minut.pl Rules for classification: 1. Number of points reached in the entire series of games; 2. Number of points reached in direct matches; 3. Goal difference in direct matches; 4. Goal difference in direct matches – away goals counted twice; 5. Goal difference in the whole series of games; 6. Number of goals scored in the entire series of games. (C) Champions; (P) Promoted; (R) Relegated