SB vs BB all-in
Heads-up · SB 0.5bb · 5% rake, cap 3bb (blinds 0.5/1bb) · 100bb · SB opens 3bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb, BB goes all-in · Small blind / button to act
Heads-up · 100bb · SB 0.5bb · 5% rake, cap 3bbChange game
Tap your two cards.
Small blind / button's range
972 of 1,326 combos get hereWhat is the GTO play for the small blind / button (SB) when SB opens 3bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb, BB goes all-in in Heads-up · SB 0.5bb · 5% rake, cap 3bb at 100bb?
SB opens 3bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb, BB goes all-in in Heads-up · SB 0.5bb · 5% rake, cap 3bb, 100bb: the small blind / button (SB) folds 94.6% and calls 5.4%. Always call: JJ+, AKs, AKo. Mixed: 99-TT, 77, AJs-AQs.
- Always fold
- 88, 55-66, ATs, A5s-A8s, A3s, K8s+, K5s-K6s, K2s-K3s, Q4s-QTs, J7s+, J4s-J5s, J2s, T4s+, T2s, 92s+, 82s+, 74s+, 72s, 62s+, 54s, 42s+, 32s, A4o-AQo, K6o+, K4o, K2o, Q6o+, J7o+, T6o+, 98o, 96o, 75o+, 64o, 53o+
- Always call
- JJ+, AKs, AKo
- Mixed
- 99-TT, 77, AJs-AQs
Fits exactly: no game we have checked.
Close: GGPoker regular cash NL2, NL10 (rake cap 2.5bb there, 3bb here).
Close: GGPoker regular cash NL50 (rake cap 2bb there, 3bb here).
Close: PokerStars cash NL10 (rake cap 5bb there, 3bb here; 4.25% rake there, 5% here; no rake when no flop is dealt there).
Close: PokerStars cash NL50 (rake cap 1.5bb there, 3bb here; no rake when no flop is dealt there).
Close: CoinPoker cash NL2, NL10 (rake cap 2.5bb there, 3bb here; only its tables without antes).
Close: CoinPoker cash NL50 (rake cap 2bb there, 3bb here; only its tables without antes).
Close: WPT Global cash NL10, NL20 (4% rake there, 5% here; no rake when no flop is dealt there; only its tables without antes).
Close: WPT Global cash NL100, NL200 (rake cap 2bb there, 3bb here; 4% rake there, 5% here; no rake when no flop is dealt there; only its tables without antes).
Close: Natural8 regular cash NL2, NL10 (rake cap 2.5bb there, 3bb here).
Close: Natural8 regular cash NL50 (rake cap 2bb there, 3bb here).
Close: ACR Poker cash NL10 (rake cap 5bb there, 3bb here; its page does not say whether pots that end before the flop are raked).
CoinPoker tables with antes: their own chart.
Rake sources: ggpoker.com/poker-games/texas-holdem (fetched 2026-10-31); Rush rake and preflop rake confirmed on our own GG exports (972 of 1,034 pots, 210 of 211); regular tables' preflop rule from natural8.com/en/poker/texas-holdem (same network, fetched 2026-10-31); pokerstars.com/poker/room/rake (fetched 2026-10-31); coinpoker.com/games/texas-holdem/ (caps and the preflop rule) and coinpoker.com/guides/poker-rake/ (5%), fetched 2026-10-31; wptglobal.com/poker/poker-table-rake (fetched 2026-10-31); natural8.com/en/poker/texas-holdem (fetched 2026-10-31; caps by players dealt in, 3-bet pots raked before the flop); acrpoker.eu/real-money/poker-rake-calculation/ (fetched 2026-10-31).
Rake: Wrong rake for GG: this solve caps the rake at 3bb, but GG caps heads-up NL200 at $1.50 (0.75bb). A solve with GG's cap is queued.