There are a total of 16 teams participating in the league. Each team plays each other in their group twice during the regular season. The team that finishes in first place promotes to the top-tier level Women's Basketball Super League (KBSL) for the next season, teams ranked 2nd place to 9th place, compete in playoff format and winner of the playoff also promotes. The last three teams are relegated to the third-tier level Turkish Women's Regional Basketball League (KBBL).