Starting Hand
How to Play AJo — Ace-Jack offsuit Preflop Strategy
6-Max Cash Opening (100bb)
How often GTO opens AJo first-in from each seat.
Short-Stack Jam Frequency
How often AJo 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 | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 10bb | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 12bb | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 15bb | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 20bb | 59% | 100% | 100% | 100% | 100% | 100% | 100% |
Generated from our solver database · 6-max cash (NL500) & MTT Chip-EV · updated Sep 5, 2026 · method
AJo head-to-head
Exact preflop equity against the hands it usually runs into.
- AKo vs AJo 74.0% · 26.0%
- AQo vs AJo 74.0% · 26.0%
Drill AJo from every seat, or take it to a flop
The table above is AJo preflop at fixed stacks. Drill it with every other hand until the right open is automatic, or put AJo on a board of your choosing and solve the postflop with your own sizes.
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Playing AJo preflop
A premium hand — open it first-in from every position. As stacks get short it only gets stronger — at 5bb AJo is a jam from essentially every seat.
AJo opens from every seat — it's strong enough to raise even under the gun (LoJack), where you have the whole table left to act behind you. Position doesn't change the decision here: it's an open everywhere.
The common mistake with AJo is playing it too passively — slow-playing or flat-calling when the solver simply raises it for value from every seat. Open it, and be ready to get the money in.
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