Group Stage Draw Generator

What this generator does

Draws groups under a constraint rather than at random. The team generator splits a list into groups of roughly equal size with no regard to strength; this one takes your ranking, cuts it into pots, and deals one entrant from every pot into every group. The result is groups that are comparable to each other, which is the whole reason real tournaments draw this way.

How to use this tool

1. Enter your entrants, strongest first — that ranking is what forms the pots.
2. Choose how many groups you want.
3. Leave seeding pots on for a balanced draw, or switch them off for a completely open one.
4. Press Draw groups to see the groups and the pots they came from.

Understanding the controls

Entrants

One per line, strongest first when pots are on. The order matters in that case, because pot one is simply the top block of the list — get the ranking wrong and the balance the pots are meant to create is wrong too.

Groups

How many groups to split the field into. This also sets the pot size: with sixteen entrants and four groups, each pot holds four, and there are four pots.

Use seeding pots

On, each group receives exactly one entrant from each strength band, so no group can contain two of the top seeds. Off, everyone goes into a single pool and the draw is completely open, which can put the favourites together.

Seed

Fixes the draw so anyone with the same seed and entrant list can reproduce it. Publishing the seed beforehand is a simple way to show a draw was not rerolled until it looked right.

Worked examples

Thirty-two entrants, eight groups

Four pots of eight. Every group gets one entrant from ranks 1–8, one from 9–16, one from 17–24 and one from 25–32.

Sixteen entrants, four groups

Four pots of four, giving four groups of four, each containing exactly one of the top four seeds.

Ten entrants, four groups

Three pots — two of four and a short one of two — so two groups end up with three entrants and two with two.

Common use cases

• A tournament group phase before the knockout rounds begin
• Splitting a large entry list into balanced pools for a one-day event
• A fantasy or prediction league that wants a realistic-looking draw
• A school sports day where houses should be spread across pools
• Any competition where putting the four favourites in one group would ruin it

How this generator works

The ranked list is cut into consecutive blocks the size of the group count, and each block becomes a pot: with thirty-two entrants and eight groups, pot one is ranks one to eight, pot two is ranks nine to sixteen, and so on. Each pot is then shuffled on its own and dealt out one entrant per group. Because the deal happens pot by pot, every group necessarily ends up with exactly one entrant from every band — that is a property of the construction, not something checked afterwards. Turning pots off replaces this with a single shuffle dealt round-robin into the groups.

Randomness and fairness

With pots on, the randomness is constrained rather than free: an entrant can land in any group, but never in a group already holding someone from their own pot. That is a genuinely different distribution from an open draw, and it is the point — an open draw over thirty-two entrants puts two of the top eight in the same group surprisingly often. Draws run on the browser's cryptographic randomness unless you supply a seed, which swaps in a deterministic, non-cryptographic generator so the draw can be verified afterwards rather than kept unpredictable.

For how randomness is produced across the whole site, see how Generate Random works.

Limitations and good to know

• There is no country, club or region protection. Real competitions often forbid two entrants from the same association meeting in the group stage, and this tool has no notion of that constraint.
• The ranking is entirely yours. Nothing here knows or checks how strong anyone actually is, so a pot draw from an inaccurate ranking produces confidently unbalanced groups.
• When the entry count does not divide evenly the final pot is short, so some groups end up one entrant smaller. That is unavoidable arithmetic rather than a flaw, but it does mean those groups play fewer matches.
• This draws the groups only — it does not then schedule the matches within them. Feed each group into the round-robin fixture generator for that.

Common mistakes

Entering the list in alphabetical order with pots switched on

Pots are formed from the order you type, so an alphabetical list produces pots based on names rather than strength. Rank the list first, or switch pots off for an open draw.

Expecting the groups to be perfectly equal with an awkward entry count

Groups can only be equal when the entrant count divides by the number of groups. Add or drop an entrant, or accept that some groups play one fewer match.

Redrawing repeatedly until the groups look right

That is exactly what seeding pots exist to make unnecessary, and it undoes the fairness of the draw. Set a seed, draw once, and publish it.

Practical tips

• Show the pots alongside the groups when you announce a draw — it makes the balance visible and heads off arguments about favouritism.
• If you need country protection, draw the groups first and then swap two entrants of equal pot between groups, noting publicly that you have done so.

Privacy and your data

The entrant list is read, sorted into pots and drawn entirely in your browser. It is never uploaded, never stored between visits and never placed in the page address, so a draw you run is not shareable by link — copy or print it instead. Analytics records only that a draw happened and how many groups it made.

Frequently asked questions

What is a seeding pot?

A band of similarly ranked entrants. Pot one holds the strongest, pot two the next strongest, and so on. Each group takes one entrant from every pot.

Can two strong teams still end up together?

Two from the same pot cannot. Two from adjacent pots can — pot two's strongest is often close in ability to pot one's weakest, and no pot system removes that.

What if I do not have a ranking?

Switch seeding pots off. The draw then treats everyone equally and splits the field from one pool.