Hand odds / AA vs AK

AA vs AK: odds and equity

In short

AA wins 92.5% of the time against AKo all in before the flop, AKo wins 6.2%, and they split the pot 1.3% of the time. AA is a big favourite, more than 13 to 1. With AA vs AKs the split is 87.9% to 12.1% in equity.

AA

93.2%

vs

AKo

6.8%

Equity: win% plus half of the 1.3% split pots. AA is a big favourite, more than 13 to 1.

Every suit combination

MatchupHand 1 winsHand 2 winsSplitHand 1 equity
AA vs AKs87.2%11.5%1.3%87.9%
AA vs AKo92.5%6.2%1.3%93.2%

What the flop does to it

When no K comes on the flop (87.8% of flops), AA has 94.4% equity going to the turn. When one does, AA drops to 84.4%.

AA holds one of AKo's cards, so AKo 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 AA always and the Big Blind calls with AKo 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, AA or AK?
AA. All in preflop it has 93.2% equity against AKo: 92.5% wins plus half of the 1.3% split pots. That's a big favourite, more than 13 to 1.
Do suits change the odds?
A little. AA vs AKs is 87.9% to 12.1%; AA vs AKo is 93.2% to 6.8%. Suited hands make more flushes, which is worth a few percent.
What happens on the flop?
When no K comes on the flop (87.8% of flops), AA has 94.4% equity going to the turn. When one does, AA drops to 84.4%.
When does AA vs AK happen in push/fold?
At 10BB in 6-max, the Button shoves AA always and the Big Blind calls with AKo 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 AA vs AKo, 1,712,304 boards each. The numbers are exact, not simulated.

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