Hand odds / AJ vs JJ

AJ vs JJ: odds and equity

In short

JJ wins 68.6% of the time against AJo all in before the flop, AJo wins 29.7%, and they split the pot 1.7% of the time. JJ is a clear favourite, about 3 to 1. With AJs vs JJ the split is 34.5% to 65.5% in equity.

AJo

30.6%

vs

JJ

69.4%

Equity: win% plus half of the 1.7% split pots. JJ is a clear favourite, about 3 to 1.

Every suit combination

MatchupHand 1 winsHand 2 winsSplitHand 1 equity
AJs vs JJ33.7%64.7%1.7%34.5%
AJo vs JJ29.7%68.6%1.7%30.6%

What the flop does to it

When no A comes on the flop (87.8% of flops), JJ has 77.7% equity going to the turn. When one does, JJ drops to 10.2%.

JJ holds one of AJo's cards, so AJo has fewer ways to pair. That's what makes this one so lopsided.

When this all-in happens in push/fold

At 10BB in 6-max, the Button shoves AJo always and the Big Blind calls with JJ always, so this exact all-in comes straight off the charts.

How often each hand shoves or calls in our solved 6-max chip-EV charts. A row with both columns high is a spot where this exact all-in is correct for both players. See every chart.

Common questions

Who is the favourite, AJ or JJ?
JJ. All in preflop it has 69.4% equity against AJo: 68.6% wins plus half of the 1.7% split pots. That's a clear favourite, about 3 to 1.
Do suits change the odds?
A little. AJs vs JJ is 34.5% to 65.5%; AJo vs JJ is 30.6% to 69.4%. Suited hands make more flushes, which is worth a few percent.
What happens on the flop?
When no A comes on the flop (87.8% of flops), JJ has 77.7% equity going to the turn. When one does, JJ drops to 10.2%.
When does AJ vs JJ happen in push/fold?
At 10BB in 6-max, the Button shoves AJo always and the Big Blind calls with JJ always, so this exact all-in comes straight off the charts.
How were these odds worked out?
By counting every possible five-card board for every combination of suits: 36 card combinations for AJo vs JJ, 1,712,304 boards each. The numbers are exact, not simulated.

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