Hand odds / AK vs AT

AK vs AT: odds and equity

In short

AKo wins 71.4% of the time against ATo all in before the flop, ATo wins 23.9%, and they split the pot 4.6% of the time. AKo is a clear favourite, about 3 to 1. With AKo vs ATs the split is 69.5% to 30.5% in equity.

AKo

73.7%

vs

ATo

26.3%

Equity: win% plus half of the 4.6% split pots. AKo is a clear favourite, about 3 to 1.

Every suit combination

MatchupHand 1 winsHand 2 winsSplitHand 1 equity
AKs vs ATs68.6%27.2%4.2%70.7%
AKs vs ATo72.6%22.9%4.4%74.8%
AKo vs ATs67.3%28.3%4.4%69.5%
AKo vs ATo71.4%23.9%4.6%73.7%

What the flop does to it

When no 10 comes on the flop (87.8% of flops), AKo has 80.0% equity going to the turn. When one does, AKo drops to 28.9%.

ATo shares a card with AKo, so pairing that card doesn't help: it needs its other card to come. Domination like this is why calling with weaker hands of the same kind costs so much.

When this all-in happens in push/fold

At 10BB in 6-max, the Button shoves AKo always and the Big Blind calls with ATo 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, AK or AT?
AKo. All in preflop it has 73.7% equity against ATo: 71.4% wins plus half of the 4.6% split pots. That's a clear favourite, about 3 to 1.
Do suits change the odds?
A little. AKs vs ATs is 70.7% to 29.3%; AKs vs ATo is 74.8% to 25.2%; AKo vs ATs is 69.5% to 30.5%; AKo vs ATo is 73.7% to 26.3%. Suited hands make more flushes, which is worth a few percent.
What happens on the flop?
When no 10 comes on the flop (87.8% of flops), AKo has 80.0% equity going to the turn. When one does, AKo drops to 28.9%.
When does AK vs AT happen in push/fold?
At 10BB in 6-max, the Button shoves AKo always and the Big Blind calls with ATo 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: 108 card combinations for AKo vs ATo, 1,712,304 boards each. The numbers are exact, not simulated.

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