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Seven2Offsuit

Preflop matchups

AA vs AKo: preflop equity

AA is a big favorite over AKo.

AA

vs

AKo

AA wins

92.5%

Tie

1.3%

AKo wins

6.2%

AA has 93.2% equity, which counts a tie as half a win. The numbers are exact: every one of the 1,712,304 possible boards is counted for each suit combination, not simulated. Suits are shown as examples; the result is averaged over every AKo combination that doesn't share a card with AA.

Try it on a board in the Odds Lab

Questions

Who wins more often, AA or AKo?
AA is a big favorite over AKo. All in before the flop, AA wins 92.5% of the time, AKo wins 6.2% and they tie 1.3%.
What is AA's equity against AKo?
93.2%. Equity counts a tie as half a win, so it is the share of the pot AA takes on average.
Are these odds exact?
Yes. Every one of the 1,712,304 possible five-card boards is counted for each suit combination, so there is no simulation error.