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How to Play Ace-Jack: Good Against Weaker Hands, Dominated by Bigger Aces

Ace-jack plays well against the hands it dominates and badly against bigger aces. Before the flop, A♣J♣ has 71.3% against K♥J♥ and 61.6% against T♥9♥, but only 30.6% against A♥K♦ and 29.2% against A♦Q♦. Against most pocket pairs it is behind: 47.5% against 8♥8♠, 32.2% against Q♥Q♦. When it makes top pair, the kicker decides: on a jack-high board, A♣J♣ beats the one-pair jacks with a lower kicker and splits with another ace-jack.

Ace-jack on J‑8‑4‑7‑4

In the cutoff with A♣J♣, you c‑bet small on J♠ 8♦ 4♥ and the big blind called. The 7♣ turn went check-check, and the big blind checks the 4♠ river. Check back, bet 33%, bet 55% or overbet 120%?

See the answer

The board is complete, so each call is a win, a split or a loss for A♣J♣ (jacks with an ace kicker):

Big blind's handResult for A♣J♣
K♦J♦, weaker kickerwin
Q♥J♥, weaker kickerwin
T♥T♦, pair below the jackwin
9♠8♠, second pairwin
A♦J♦, same handsplit
T♦9♦, straightloss
A♥4♦, tripsloss
8♥8♣, full houseloss

A♣J♣ beats the weaker jacks and the smaller pairs, and loses to the hands that made trips, a straight or a full house. A small bet keeps those weaker hands calling.

Before the flop: ace-jack against one hand

Opponent's handA♣J♣'s equity
K♥J♥71.3%
J♦T♦68.5%
T♥9♥61.6%
8♥8♠47.5%
Q♥Q♦32.2%
A♥K♦30.6%
A♦Q♦29.2%

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Sources

Frequently asked questions

How does ace-jack do against bigger aces?

Badly: A♣J♣ has 30.6% against A♥K♦ and 29.2% against A♦Q♦, because the shared ace leaves it needing a jack.

Which hands does ace-jack dominate?

Jacks with a lower kicker: 71.3% against K♥J♥ and 68.5% against J♦T♦, which share its jack.

Is ace-jack ahead of a pocket pair?

Not of the pairs in these examples: 47.5% against 8♥8♠ and 32.2% against Q♥Q♦.

How we made this page

The spots come from our library of 647 puzzles. Their expected answers follow rules we wrote and explain on each puzzle; they are not solver outputs. 15 figures on this page are recomputed from the cards by our automated tests. Written with the help of AI tools, then reviewed and checked by our team.

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