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Starting Hand

How to Play A2s — Ace-Two suited Preflop Strategy

GTO opens A2s first-in from 4 of the 5 positions in 6-max cash — from the HJ onward. Earlier than that, it folds. Below is the exact strategy by position and stack depth.

6-Max Cash Opening (100bb)

How often GTO opens A2s first-in from each seat.

LJ
13%
HJ
100%
CO
100%
Button
100%
Small Blind
100%

Short-Stack Jam Frequency

How often A2s is a first-in shove at short stacks (tournament).

Stack UTG MP LJ HJ CO BTN SB
5bb 100% 100% 100% 100% 100% 100% 100%
8bb 99% 100% 100% 100% 100% 100% 100%
10bb 0% 0% 100% 100% 100% 100% 100%
12bb 0% 0% 0% 100% 100% 100% 100%
15bb 0% 0% 0% 84% 100% 100% 100%
20bb 0% 0% 0% 0% 100% 100% 100%

Generated from the Crafty Penguin GTO solver · 6-max cash (NL500) & MTT Chip-EV · updated Sep 5, 2026

A2s head-to-head

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Playing A2s preflop

A strong hand — open from most positions; the HJ is the earliest seat it opens. As stacks get short it only gets stronger — at 5bb A2s is a jam from essentially every seat.

Position matters: from under-the-gun (LoJack) A2s opens 13% 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 A2s is opening it from early position where the solver folds it. Respect the position threshold — it's an open from the HJ onward, not before.

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