Learn GTO preflop theory in MTT poker

K of hearts3 of spades

Weak offsuit King-high hand

King-Three Offsuit

K3o is a weak, disconnected King-high hand. It has no flush potential, almost no straight connectivity, and is dominated by every better Kx hand when both players pair the King. Fold it from early and middle position and against most opens. Defend only from the Big Blind at a favourable price, or use a chart-specific short-stack shove when the position and depth call for it.

Pocket33

How to play K3o by position and stack size

Recommended actionUTG8-maxUTG18-maxLJ6-maxHJ6-maxCO6-maxBTN6-maxSB6-max
100bb+FoldFoldFoldFoldFoldFoldLimp
40-100bbFoldFoldFoldFoldFoldFoldLimp
27-40bbFoldFoldFoldFoldFoldFoldLimp
20-26bbFoldFoldFoldFoldFoldFoldLimp
16-19bbFoldFoldFoldFoldFoldFoldLimp
11-15bbFoldFoldFoldFoldFoldFoldLimp
7-10bbFoldFoldFoldFoldFoldFoldJam
6bb-FoldFoldFoldFoldFoldFoldJam
Open when:Only in a chart-approved late-position branch

K3o is not a standard open at 20bb or 100bb.

3bet when:Almost never

The King blocker does not repair the poor equity when called.

Call when:Big Blind versus late position or Small Blind

Closing the action and receiving a strong price can justify a cautious defence.

Jam when:Only in a chart-specific short-stack branch

Do not open-jam K3o at ordinary depths.

Fold when:Facing early or middle position action

Better Kings dominate the top-pair route, while low pairs rarely hold up.

Strong against

K of spades2 of hearts
K2o

K2o shares the King but has the weaker kicker, making a dominated pair that can still pay K3o.

Weak against

  • A of spadesK of hearts
    AKo

    AKo shares the King with the better kicker, so K3o can make a costly second-best pair.

Flop classes

K of spades8 of hearts2 of hearts
Top pair

On K♣ 8♦ 2♥, K3o has top pair with a weak kicker. Check more often than you bet for value.

9 of spades7 of hearts3 of hearts
Low pair

On 9♣ 7♦ 3♥, K3o has bottom pair. Call only versus a small, bluff-heavy bet, fold to strong pressure.

Q of spades8 of hearts4 of spades
King-high dry board

On Q♠ 8♦ 4♣, K3o has King-high and can sometimes reach showdown, but it is not a good bluff without a range reason.

9 of spades8 of hearts7 of hearts
Connected low board

On 9♣ 8♦ 7♥, K3o has no pair and no straight draw. Check-fold.

Strategic notes

Versus 3-bets
  • Fold to a 3-bet. K3o is usually too weak even to open and performs worse against a stronger, narrower range.
  • Avoid calling out of position for the chance to hit a King. The top pair is often second best and K3o has no flush draw.
Post-flop playability
  • Check and fold most missed flops. K3o has no flush potential and only limited backdoor straight routes.
  • Treat a King pair as a bluff catcher or a small-pot hand. Better Kx hands dominate it.
  • A pair of threes can beat bluffs, but it rarely wants several streets of value against a continuing range.

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