How to seed a tournament

Seeding is the difference between a final that answers the question and a final that does not. Here is the standard order, the reasoning behind it, and what to do when you have no ranking at all.

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Editing is designed for desktop. On this screen you can view the bracket; open the tools below if you need to change something.

Everything stays editable: type your own team names, set scores and dates, then export the bracket as an image — a PNG in three sizes, no watermark.

What seeding is actually for

Seeding decides where each team starts in the bracket. The goal is not fairness during the tournament — the bracket does that — but fairness in the reward for a good regular season: the strongest teams should meet as late as possible, and the two strongest should only meet in the final.

An unseeded draw can put the two best teams in the same first-round match. The bracket still produces a winner, but the event no longer answers "who is best", and everybody in the room knows it.

The standard seeding order

For 8 teams the standard order of bracket positions is 1, 8, 4, 5, 2, 7, 3, 6. Read in pairs, that gives the first-round matches: 1 vs 8, 4 vs 5, 2 vs 7 and 3 vs 6.

The order is built by a simple rule that works for any bracket size: take the previous bracket and, for every seed s in it, append s and then the mirror (n + 1 − s). For 4 teams you get 1, 4, 2, 3; extend the same rule to 8 and you get 1, 8, 4, 5, 2, 7, 3, 6.

The reward is structural: seed 1 and seed 2 land in opposite halves, so they can only meet in the final; seed 1 and seed 4 can only meet in the semi-finals; and so on.

Byes: who sits out, and why it is the top seeds

When the team count is not a power of two — 5, 7, 12, 24 — some slots must stay empty. Those empty slots are byes, and standard practice is to give them to the highest seeds.

A bye is an advantage (one fewer match, no early exit), so handing it to the strongest seed is easy to justify and easy to explain. The alternative, a play-in game for the lowest seeds, is also defensible but adds matches to a schedule that is usually already tight.

Seeding with no ranking at all

If you genuinely do not know who is strongest, do not invent a ranking. Use a random draw so nobody can accuse you of arranging the bracket: shuffle the team list, then let the tool assign seeds from the shuffled order.

If you do have partial information — last season’s standings, a club championship, a league table — seed with that and say so out loud. A documented, imperfect ranking is better than a silent one.

One thing seeding does not do: keep two teams from the same club or school apart. That is separation, not seeding, and it needs a manual reorder of the list before you generate the bracket.

Frequently asked questions

What is the standard seeding order for 8 teams?
1, 8, 4, 5, 2, 7, 3, 6 — giving first-round matches of 1 vs 8, 4 vs 5, 2 vs 7 and 3 vs 6.
Who gets a bye in a bracket with an odd number of teams?
The highest seeds. In a 7-team bracket, seed 1 gets the bye into the semi-finals; in a 5-team bracket, seeds 1, 2 and 3 do.
Should I seed or just draw randomly?
Seed when you have an honest ranking, because it produces a better final. Draw randomly when you do not — an invented ranking is worse than a visibly random draw.