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Matchups ranked from this season's box scores; prices are FanDuel's.Research home →
Tools
Bet tracker
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Bracket

Bracket generator

Build a single-elimination tournament bracket for any number of entrants — the draw auto-seeds so byes fall to the top seeds — then click winners through round by round to the final.

How the bracket generator works

Paste your entrants in draw order — two lines make a match, and any odds on the same line (11/4, 3.75 or +150) are read automatically. Pick a size, or leave it on Auto to size from your list, and the tool draws a single-elimination bracket. Click a name to advance them, round by round, up to the final, and watch the combined price of your route build as you go.

Byes and draw order

When your entrant count isn't a power of two (5, 6, 12…), the bracket rounds up to the next size and fills the remaining slots with byes at the end of the draw. Arrange your list so the pairings — and any byes — fall where you want them; anyone drawn against a bye advances automatically.

Third-place playoff

Turn on the third-place option to add a playoff between the two losing semi-finalists — handy for round-robin group stages and tournaments that rank the top four.

Frequently asked questions

How many entrants can I have?+
Any number — the bracket rounds up to the next power of two and fills the rest with byes, up to 128 entrants.
What happens with an odd number of teams?+
Leftover slots become byes, seeded against the top entrants so they advance automatically in round one. The draw stays balanced and always plays through to a single winner.
Is the bracket generator free?+
Yes — completely free, no signup. Create a free Reko account if you'd like to save brackets and come back to them.

More calculators

Bet calculator Returns on singles, accumulators, full-cover bets and each-way. → Odds converter Fractional, decimal and American — plus implied probability. → Staking calculator Kelly, level and percentage staking from your bankroll. → Kelly calculator Optimal stake from your edge — full, half and quarter Kelly. → Implied probability Turn any odds into the percentage chance it represents. → Each-way calculator Win, place and total returns on an each-way bet. → Matched betting Lay stake, liability and locked-in profit on offers. → Acca / parlay Combine selections for total returns and profit. → Dutching calculator Split a stake so you win the same whichever lands. → Lay calculator Liability and profit when you lay on an exchange. →

Save your brackets and track the bets on them

A free Reko account keeps your brackets and turns tournament calls into tracked bets with real P/L. Free to start.

Try Reko free →