45 Team Round Robin Bracket Generator

Generate a professional 45 team round robin tournament schedule instantly. Fair competition where every team plays every other team exactly once.

Last updated: January 2026

Teams:45
Total Games:990
Rounds:44
Games/Team:44
Byes:Yes (1/round)

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    How a 45 Team Round Robin Works

    Tournament Mechanics

    In a round robin tournament, every team plays every other team exactly once. This produces the fairest possible results since no team can be eliminated by a single bad matchup. The total number of games is calculated with the formula: n(n-1)/2, where n is the number of teams.

    n(n-1)/2 = 45(45-1)/2 = 990 games

    Your 45 Team Tournament

    Total Games
    990
    Rounds Needed
    44
    Games/Team
    44
    Est. Duration
    248-330h

    Need More Than Just Matchups?

    Our Ultimate Schedule Generator handles everything — venues, timeslots, placement on real calendars, and more. Turn your round-robin matchups into a complete season schedule.

    Try the Schedule Generator

    Frequently Asked Questions

    Everything you need to know about 45 team round robin tournaments

    A round robin is a tournament format where every team plays every other team exactly once. Unlike elimination brackets, no team is knocked out after a loss. Rankings are determined by overall record (wins, losses, ties), making it the fairest way to determine true standings.

    A 45 team round robin has 990 total games. The formula is n(n-1)/2, where n is the number of teams. Each team plays 44 games (one against every other team).

    n(n-1)/2 = 45(45-1)/2 = 990 games

    44 rounds are needed for 45 teams. With an even number of teams, you need n-1 rounds. With an odd number, you still need n-1 rounds but one team gets a bye each round.
    Round robin is fairer because every team plays every opponent — one bad game doesn't end your tournament. Elimination is faster and more dramatic. Many tournaments use both: round robin pools followed by elimination playoffs.

    With 990 total games, the duration depends on fields available. With 1 field: 990 time slots. With 2 fields: 495 slots. With 3 fields: 330 slots. At 1-1.5 hours per game, plan for 248-743 hours of play.

    Round robin is popular in softball, baseball, slo-pitch, soccer, volleyball, tennis, curling, and esports. It's the standard format for FIFA World Cup group stages, Olympic pool play, and recreational league regular seasons.

    Browse All Round Robin Schedules

    Pre-built schedules for 3 to 100 teams

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