PokerSolver
PokerSolver/Fast-fold NL200 6-max 20bb/BTN vs CO 3-bet 4bb

BTN vs CO 3-bet 4bb

Fast-fold NL200 6-max ($1/$2) · 20bb · UTG opens 2bb, CO 3-bets to 4bb · Button to act

Fast-fold NL200 · 6-max · 20bbChange game
Stacks (bb), if they differ
Pot 7.5bbYour cards?
0.5bb
1bb
2bb
4bb

Tap your two cards.

Button's range

1,326 of 1,326 combos get here
Fold 95.9%Call 0.8%All-in 20bb 3.3%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the button (BTN) when UTG opens 2bb, CO 3-bets to 4bb in Fast-fold NL200 6-max at 20bb?

UTG opens 2bb, CO 3-bets to 4bb in Fast-fold NL200 6-max, 20bb: the button (BTN) folds 95.9%, calls 0.8% and goes all-in 20bb 3.3%. Always call: AQs. Always all-in 20bb: KK, JJ, AKs, AKo. Mixed: AA, QQ, TT, AJs, A3s-A5s.

Always fold
22-99, A6s-ATs, A2s, K2s+, Q2s+, J2s+, T2s+, 92s+, 82s+, 72s+, 62s+, 52s+, 42s+, 32s, A2o-AQo, K2o+, Q2o+, J2o+, T2o+, 92o+, 82o+, 72o+, 62o+, 52o+, 42o+, 32o
Always call
AQs
Always all-in 20bb
KK, JJ, AKs, AKo
Mixed
AA, QQ, TT, AJs, A3s-A5s
Preset: Fast-fold, NL200 ($1/$2), 6-max, 20bb stacks, 5% rake capped at 3bb. Solver: HoldemResources Calculator (HRC) (HRC CI 24.03). A jackpot fee on bigger pots is not in this solve, so lines that build big pots may be slightly too loose. Bet sizes are the solved ones; a size that is not here plays like the nearest one.