PokerSolver
PokerSolver/4-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/BTN vs CO 3-bet 5bb

BTN vs CO 3-bet 5bb

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 80bb · CO limps, BTN isolates to 2.5bb, CO 3-bets to 5bb · Button 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
Tournament
4-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game
Stacks (bb), if they differ
Pot 9.64bbYour cards?
2.5bb
0.5bb
1bb
5bb

Tap your two cards.

Button's range

398 of 1,326 combos get here
Fold 17.6%Call 57.1%Raise 11.5bb 17.5%All-in 79.84bb 7.9%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the button (BTN) when CO limps, BTN isolates to 2.5bb, CO 3-bets to 5bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 80bb?

CO limps, BTN isolates to 2.5bb, CO 3-bets to 5bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 80bb: the button (BTN) folds 17.6%, calls 57.1%, raises 11.5bb 17.5% and goes all-in 79.84bb 7.9%. Always call: 44-77, 22, A9s, A6s, A2s, Q9s, JTs, J8s, 98s, 86s+, 65s, 53s, KQo. Always raise 11.5bb: AA. Mixed: 88-KK, 33, ATs+, A7s-A8s, A3s-A5s, K4s+, QTs+, Q8s, J9s, T7s+, 97s, 76s, 54s, A8o+, KTo-KJo, QTo+, JTo.

Always fold
No hand plays this every time
Always call
44-77, 22, A9s, A6s, A2s, Q9s, JTs, J8s, 98s, 86s+, 65s, 53s, KQo
Always raise 11.5bb
AA
Always all-in 79.84bb
No hand plays this every time
Mixed
88-KK, 33, ATs+, A7s-A8s, A3s-A5s, K4s+, QTs+, Q8s, J9s, T7s+, 97s, 76s, 54s, A8o+, KTo-KJo, QTo+, JTo
Settings: 4-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 80bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.98). 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.