PokerSolver/6-max · 40bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/SB vs BTN 3-bet 4bb

SB vs BTN 3-bet 4bb

6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 40bb · HJ opens 2bb, BTN 3-bets to 4bb · Small blind to act

Fits exactlyno game we have checked

Close1 games

CoinPoker cash with antes NL50rake before the flop in 3-bet pots there, none here

6-max · 40bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differUTGHJCOBTNSBBB

Pot 8.46bbYour cards?

0.5bb

1bb

2bb

4bb

Tap your two cards.

Small blind's range

1,326 of 1,326 combos get here

Fold 91.5%Call 1%Raise 9.2bb 2.8%All-in 39.84bb 4.8%

Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the small blind (SB) when HJ opens 2bb, BTN 3-bets to 4bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 40bb?

HJ opens 2bb, BTN 3-bets to 4bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 40bb: the small blind (SB) folds 91.5%, calls 1%, raises 9.2bb 2.8% and goes all-in 39.84bb 4.8%. Mixed: 66+, 33-44, ATs+, A7s-A8s, A4s, A2s, KJs+, QJs, JTs, T9s, 76s, ATo+.

Always fold: 55, 22, A9s, A5s-A6s, A3s, K2s-KTs, Q2s-QTs, J2s-J9s, T2s-T8s, 92s+, 82s+, 72s-75s, 62s+, 52s+, 42s+, 32s, A2o-A9o, K2o+, Q2o+, J2o+, T2o+, 92o+, 82o+, 72o+, 62o+, 52o+, 42o+, 32o
Always call: No hand plays this every time
Always raise 9.2bb: No hand plays this every time
Always all-in 39.84bb: No hand plays this every time
Mixed: 66+, 33-44, ATs+, A7s-A8s, A4s, A2s, KJs+, QJs, JTs, T9s, 76s, ATo+

Settings: 6-max · 40bb · 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, 40bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.93). 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.