Skip to content

Facing a Raise

Button Defense vs Cutoff Open — GTO 6-Max Cash

Facing a 2.5bb open from the Cutoff, GTO defends the Button with about 19% of hands — roughly 9% as a flat call and 10% as a 3-bet. Everything else folds. The grid below shows the exact response.
19%
Defend
9%
Call
10%
3-Bet
Jam 3-bet Call Fold Partial fill = mixed frequency

Crafty Penguin GTO solver · 6-max cash (NL500) · 100bb · vs 2.5bb open · updated Jul 28, 2026

Drill this defense spot against the solver

Practise folding, flatting, and 3-betting Button vs Cutoff until it's automatic.

Train this spot →

Defending Button vs a Cutoff open

Here you're in position on the Cutoff — they've raised and folded around to you, and you close (or near-close) the action with the button-side seat. That position lets you defend 19% profitably: flat the hands that flop well (9%) and 3-bet your value plus bluffs (~10%).

Position is the whole story in this spot. You can call wider than a blind would out of position because you'll act last on every street, realising more equity. But stay disciplined against early-position opens — a Cutoff raise is a stronger range than a late one.

Read the grid by cell colour: teal is a jam, amber a 3-bet, blue a flat call, and the dark fill is fold. A split cell is a mixed frequency — the solver takes each action some percentage of the time. Drill the borderline hands at the edge of the defending range; that's where the EV is won or lost.

BTN defense vs other openers

BTN vs LJ BTN vs HJ
← All defense ranges Opening ranges → Starting hands →

We use cookies to improve your experience and analyse site traffic. Cookie Policy