BTN vs SB all-in
5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 200bb · BTN opens 3bb, SB 3-bets to 9bb, BTN 4-bets to 20.7bb, SB goes all-in · Button to act
Fits exactlyno game we have checked
CloseCP1 games
- CPCoinPoker cash with antes NL50rake before the flop in 3-bet pots there, none here
5-max · 200bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 222.34bbYour cards?
20.7bb
199.84bb
1bb
Tap your two cards.
Button's range
394 of 1,326 combos get hereFold 89.1%Call 10.9%
Tap a hand, or type one above, to see its exact mix.
What is the GTO play for the button (BTN) when BTN opens 3bb, SB 3-bets to 9bb, BTN 4-bets to 20.7bb, SB goes all-in in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 200bb?
BTN opens 3bb, SB 3-bets to 9bb, BTN 4-bets to 20.7bb, SB goes all-in in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 200bb: the button (BTN) folds 89.1% and calls 10.9%. Always call: TT+, AKs. Mixed: AKo.
- Always fold
- 66-88, A2s-AQs, KTs-KJs, K2s-K7s, QJs, Q6s-Q8s, J9s+, J7s, T8s+, T6s, 98s, 87s, 85s, 76s, 65s, 54s, A9o-AJo, A5o, KTo+, QTo+, JTo, T9o
- Always call
- TT+, AKs
- Mixed
- AKo
Settings: 5-max · 200bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 200bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.99). 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.
Rake sources for the games it fits: the ante from 93 of our own CoinPoker hands at $0.25/$0.50 with a $0.08 ante, played 2026-09-30; the caps and the preflop rule from coinpoker.com/games/texas-holdem/, fetched 2026-10-31.