Hand odds / AK vs 66

AK vs 66: odds and equity

In short

66 wins 54.8% of the time against AKo all in before the flop, AKo wins 44.8%, and they split the pot 0.4% of the time. 66 is a small favourite. With AKs vs 66 the split is 47.7% to 52.3% in equity.

AKo

45.0%

vs

66

55.0%

Equity: win% plus half of the 0.4% split pots. 66 is a small favourite.

Every suit combination

MatchupHand 1 winsHand 2 winsSplitHand 1 equity
AKs vs 6647.5%52.1%0.4%47.7%
AKo vs 6644.8%54.8%0.4%45.0%

What the flop does to it

When no A or K comes on the flop (76.3% of flops), 66 has 66.5% equity going to the turn. When one does, 66 drops to 17.9%.

AKo has two overcards, so six cards in the deck pair it. That's why it's a race rather than a big favourite: plenty of flops give AKo a pair.

When this all-in happens in push/fold

At 10BB in 6-max, the Button shoves AKo always and the Big Blind calls with 66 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 66?
66. All in preflop it has 55.0% equity against AKo: 54.8% wins plus half of the 0.4% split pots. That's a small favourite.
Do suits change the odds?
A little. AKs vs 66 is 47.7% to 52.3%; AKo vs 66 is 45.0% to 55.0%. Suited hands make more flushes, which is worth a few percent.
What happens on the flop?
When no A or K comes on the flop (76.3% of flops), 66 has 66.5% equity going to the turn. When one does, 66 drops to 17.9%.
When does AK vs 66 happen in push/fold?
At 10BB in 6-max, the Button shoves AKo always and the Big Blind calls with 66 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: 72 card combinations for AKo vs 66, 1,712,304 boards each. The numbers are exact, not simulated.

Related matchups

All hand matchups · Poker odds calculator