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Tournament Bracket Generator

Generate a single-elimination tournament bracket for 4-128 participants. Enter team names, shuffle seeds, and print a clean bracket for any event.

Tournament Setup

Number of Participants (4-128)

How It Works

Choose the number of participants (4-128). Non-power-of-2 sizes get byes.
Enter team names below. Empty slots are treated as byes.
The bracket supports 3 rounds: Quarterfinals → Semifinals → Final.
Click Print Bracket to get a printable layout.
Click Shuffle Teams to randomize the seed order.

8 participants8-slot bracket0 byes3 rounds

Team Names

Bracket

Quarterfinals

Match 1

Team Alpha

Team Bravo

Match 2

Team Charlie

Team Delta

Match 3

Team Echo

Team Foxtrot

Match 4

Team Golf

Team Hotel

Match 5

Bye

Match 6

Bye

Match 7

Bye

Match 8

Bye

Semifinals

Match 1

Winner of M1 / M2

Match 2

Winner of M3 / M4

Match 3

Winner of M5 / M6

Match 4

Winner of M7 / M8

Final

Match 1

Winner of M1 / M2

Match 2

Winner of M3 / M4

8 first-round matches · 2 final matches across 3 rounds.

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Applications

Run a single-elimination tournament for office leagues, school competitions, esports brackets, March Madness-style pools, family game nights, and any head-to-head competition with 4 to 128 participants. Print a clean bracket to hand out, post on a wall, or share digitally. Useful for sports tournaments (basketball, soccer, tennis, chess), debate brackets, gaming tournaments, kickball leagues, and knockout-style contests where you need clear, fair matchups from the first round to the final.

How Single-Elimination Brackets Work

Single-elimination (knockout) means each match eliminates the loser. The number of rounds is log2(bracket_size). For non-power-of-2 participant counts, the bracket pads up to the next power of 2 with byes, which always advance to the next round without playing. Standard seeding keeps top seeds on opposite sides of the bracket so they only meet in the final. With N participants, the champion must win ceil(log2(N)) matches; the runner-up wins ceil(log2(N)) - 1 matches.

Fun Fact: The NCAA Division I men's basketball tournament is one of the most famous single-elimination brackets in the world. In 1985, the tournament expanded to 64 teams, and the first 64-team bracket (filled with 64 actual teams) was played that year. Since 2011, the 'First Four' play-in games have added 68 teams, making the modern March Madness bracket the largest single-elimination tournament of its kind!

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