Facing a 4-bet all-in: call or fold

Sometimes the 4-bet comes in as an all-in, usually because the stacks were short enough that raising any smaller would commit the raiser anyway. That removes every option but call or fold. There is no pot to play after the flop and no bluffing to do, only the question of whether your hand beats enough of the 4-bettor's shoving range to call. The answer, spot by spot, is below.

Playing the hijack

vs UTG 4-bet jam

HJ, UTG 4-bet jam. PlusEV solver data, exported 2026-09-03
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A2oK2oQ2oJ2oT2o92o82o72o62o52o42o32o22
FoldCall

Continues with 2.4% of hands , calling 2.4%.

Playing the cutoff

vs UTG 4-bet jam

CO, UTG 4-bet jam. PlusEV solver data, exported 2026-09-03
AAAKsAQsAJsATsA9sA8sA7sA6sA5sA4sA3sA2s
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A6oK6oQ6oJ6oT6o96o86o76o6665s64s63s62s
A5oK5oQ5oJ5oT5o95o85o75o65o5554s53s52s
A4oK4oQ4oJ4oT4o94o84o74o64o54o4443s42s
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A2oK2oQ2oJ2oT2o92o82o72o62o52o42o32o22
FoldCall

Continues with 2.6% of hands , calling 2.6%.

vs HJ 4-bet jam

CO, HJ 4-bet jam. PlusEV solver data, exported 2026-09-03
AAAKsAQsAJsATsA9sA8sA7sA6sA5sA4sA3sA2s
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A9oK9oQ9oJ9oT9o9998s97s96s95s94s93s92s
A8oK8oQ8oJ8oT8o98o8887s86s85s84s83s82s
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A6oK6oQ6oJ6oT6o96o86o76o6665s64s63s62s
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A4oK4oQ4oJ4oT4o94o84o74o64o54o4443s42s
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A2oK2oQ2oJ2oT2o92o82o72o62o52o42o32o22
FoldCall

Continues with 3.2% of hands , calling 3.2%.

Playing the button

vs UTG 4-bet jam

BTN, UTG 4-bet jam. PlusEV solver data, exported 2026-09-03
AAAKsAQsAJsATsA9sA8sA7sA6sA5sA4sA3sA2s
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AToKToQToJToTTT9sT8sT7sT6sT5sT4sT3sT2s
A9oK9oQ9oJ9oT9o9998s97s96s95s94s93s92s
A8oK8oQ8oJ8oT8o98o8887s86s85s84s83s82s
A7oK7oQ7oJ7oT7o97o87o7776s75s74s73s72s
A6oK6oQ6oJ6oT6o96o86o76o6665s64s63s62s
A5oK5oQ5oJ5oT5o95o85o75o65o5554s53s52s
A4oK4oQ4oJ4oT4o94o84o74o64o54o4443s42s
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A2oK2oQ2oJ2oT2o92o82o72o62o52o42o32o22
FoldCall

Continues with 2.6% of hands , calling 2.6%.

vs HJ 4-bet jam

BTN, HJ 4-bet jam. PlusEV solver data, exported 2026-09-03
AAAKsAQsAJsATsA9sA8sA7sA6sA5sA4sA3sA2s
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A9oK9oQ9oJ9oT9o9998s97s96s95s94s93s92s
A8oK8oQ8oJ8oT8o98o8887s86s85s84s83s82s
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A6oK6oQ6oJ6oT6o96o86o76o6665s64s63s62s
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A4oK4oQ4oJ4oT4o94o84o74o64o54o4443s42s
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A2oK2oQ2oJ2oT2o92o82o72o62o52o42o32o22
FoldCall

Continues with 3.4% of hands , calling 3.4%.

Playing the small blind

vs UTG 4-bet jam

SB, UTG 4-bet jam. PlusEV solver data, exported 2026-09-03
AAAKsAQsAJsATsA9sA8sA7sA6sA5sA4sA3sA2s
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AToKToQToJToTTT9sT8sT7sT6sT5sT4sT3sT2s
A9oK9oQ9oJ9oT9o9998s97s96s95s94s93s92s
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A4oK4oQ4oJ4oT4o94o84o74o64o54o4443s42s
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A2oK2oQ2oJ2oT2o92o82o72o62o52o42o32o22
FoldCall

Continues with 2.9% of hands , calling 2.9%.

vs HJ 4-bet jam

SB, HJ 4-bet jam. PlusEV solver data, exported 2026-09-03
AAAKsAQsAJsATsA9sA8sA7sA6sA5sA4sA3sA2s
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A7oK7oQ7oJ7oT7o97o87o7776s75s74s73s72s
A6oK6oQ6oJ6oT6o96o86o76o6665s64s63s62s
A5oK5oQ5oJ5oT5o95o85o75o65o5554s53s52s
A4oK4oQ4oJ4oT4o94o84o74o64o54o4443s42s
A3oK3oQ3oJ3oT3o93o83o73o63o53o43o3332s
A2oK2oQ2oJ2oT2o92o82o72o62o52o42o32o22
FoldCall

Continues with 3.1% of hands , calling 3.1%.

vs BTN 4-bet jam

SB, BTN 4-bet jam. PlusEV solver data, exported 2026-09-03
AAAKsAQsAJsATsA9sA8sA7sA6sA5sA4sA3sA2s
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A6oK6oQ6oJ6oT6o96o86o76o6665s64s63s62s
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A4oK4oQ4oJ4oT4o94o84o74o64o54o4443s42s
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A2oK2oQ2oJ2oT2o92o82o72o62o52o42o32o22
FoldCall

Continues with 4.5% of hands , calling 4.5%.

Playing the big blind

vs SB 4-bet jam

BB, SB 4-bet jam. PlusEV solver data, exported 2026-09-03
AAAKsAQsAJsATsA9sA8sA7sA6sA5sA4sA3sA2s
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A8oK8oQ8oJ8oT8o98o8887s86s85s84s83s82s
A7oK7oQ7oJ7oT7o97o87o7776s75s74s73s72s
A6oK6oQ6oJ6oT6o96o86o76o6665s64s63s62s
A5oK5oQ5oJ5oT5o95o85o75o65o5554s53s52s
A4oK4oQ4oJ4oT4o94o84o74o64o54o4443s42s
A3oK3oQ3oJ3oT3o93o83o73o63o53o43o3332s
A2oK2oQ2oJ2oT2o92o82o72o62o52o42o32o22
FoldCall

Continues with 3.9% of hands , calling 3.9%.

Which hands are worth a whole stack?

Only the hands that hold up against a range built to be called by less. A 4-bet all-in is rarely a bluff at these stack depths, so you are looking at a tight, strong range, and to call you need a hand that has real equity against it. That means the top pairs and the strongest ace-king type holdings, and little else. Everything marginal folds, because calling off a stack as a coinflip or worse burns money over time even when it wins the occasional pot.

Why is this the spot beginners lose the most in?

Because the stakes per decision are maximal and the temptation is strong. A hand that felt great when you 3-bet with it, a good but not premium pair, still feels great facing the shove, and calling feels natural. But feeling strong and beating the shoving range are different things. The charts show exactly where the line sits, and the discipline to fold the hands just below it is worth more here than anywhere else.

How do you actually learn these?

Not by memorising every grid. The gap between knowing the right play on a page and finding it under a clock is where the money goes, and closing it is a matter of repetition. PlusEV deals these exact spots back to you and returns to the ones you keep getting wrong. The opening ranges these all branch from are in the chart library, and the positions guide explains why seat decides so much.