Starting Hand
How to Play K5s — King-Five suited Preflop Strategy
6-Max Cash Opening (100bb)
How often GTO opens K5s first-in from each seat.
Short-Stack Jam Frequency
How often K5s is a first-in shove at short stacks (tournament).
| Stack | UTG | MP | LJ | HJ | CO | BTN | SB |
|---|---|---|---|---|---|---|---|
| 5bb | 0% | 0% | 100% | 100% | 100% | 100% | 100% |
| 8bb | 0% | 0% | 0% | 0% | 100% | 100% | 100% |
| 10bb | 0% | 0% | 0% | 0% | 0% | 100% | 100% |
| 12bb | 0% | 0% | 0% | 0% | 0% | 100% | 100% |
| 15bb | 0% | 0% | 0% | 0% | 0% | 100% | 100% |
| 20bb | 0% | 0% | 0% | 0% | 0% | 0% | 100% |
Generated from our solver database · 6-max cash (NL500) & MTT Chip-EV · updated Sep 5, 2026 · method
K5s head-to-head
Exact preflop equity against the hands it usually runs into.
Drill K5s from every seat, or take it to a flop
The table above is K5s preflop at fixed stacks. Drill it with every other hand until the right open is automatic, or put K5s on a board of your choosing and solve the postflop with your own sizes.
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Playing K5s preflop
A strong hand — open from most positions; the CO is the earliest seat it opens. At 5bb it comes into the jamming range from 5 of the 7 seats — short stacks widen what's playable.
Position matters: from under-the-gun (LoJack) K5s opens 1% of the time, rising to 100% on the Button as fewer players are left to act behind you. The later you are, the wider you can open.
The common mistake with K5s is opening it from early position where the solver folds it. Respect the position threshold — it's an open from the CO onward, not before.
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