PokerSolver
PokerSolver/5-max · 100bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/SB vs BTN all-in

SB vs BTN all-in

5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 100bb · BTN limps, SB isolates to 2bb, BTN 3-bets to 6bb, SB 4-bets to 13.8bb, BTN goes all-in · Small blind to act

5-max · 100bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 115.44bbYour cards?
13.8bb
1bb
99.84bb

Tap your two cards.

Small blind's range

342 of 1,326 combos get here
Fold 77.5%Call 22.5%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the small blind (SB) when BTN limps, SB isolates to 2bb, BTN 3-bets to 6bb, SB 4-bets to 13.8bb, BTN goes all-in in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 100bb?

BTN limps, SB isolates to 2bb, BTN 3-bets to 6bb, SB 4-bets to 13.8bb, BTN goes all-in in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 100bb: the small blind (SB) folds 77.5% and calls 22.5%. Always call: TT+, AKs, AKo. Mixed: 88-99, 66, AJs-AQs, A7s, QTs, 98s, AQo.

Always fold
A8s-A9s, A3s-A6s, K4s-KTs, QJs, Q8s, JTs, J7s-J8s, T7s+, 96s, 86s+, 65s, 53s+, ATo-AJo, KJo+
Always call
TT+, AKs, AKo
Mixed
88-99, 66, AJs-AQs, A7s, QTs, 98s, AQo
Settings: 5-max · 100bb · 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, 100bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 23.9). 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.

Fits exactly: no game we have checked.

Close: CoinPoker cash with antes NL50 (rake before the flop in 3-bet pots there, none here).

Rake sources: 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.