AA vs AK: Preflop Equity & Odds
| Hand | Win | Tie | Equity |
|---|---|---|---|
| AA (Pocket Aces) | 91.1% | 1.3% | 91.8% |
| AK (Ace-King) | 7.6% | 1.3% | 8.2% |
Suited vs offsuit: AK
| Matchup | Win | Tie | Equity |
|---|---|---|---|
| AKs | 11.6% | 1.3% | 12.3% |
| AKo | 6.2% | 1.3% | 6.8% |
AA against AK is a card-removal matchup: the pair holds one of the cards the other hand needs. AA wins 91.1%, AK wins 7.6%, and 1.3% of boards chop. Because the pair blocks the unpaired hand's outs (and vice versa), the favorite here is bigger than in a clean race — this is among the most common all-in confrontations in real games.
In equity terms — your long-run share of the pot counting split pots as half — AA holds 91.8% and AK holds 8.2%. To make these numbers practical: facing a pot-sized all-in you need about 33% equity to call profitably, and a half-pot bet needs about 25%. Numbers on this page are exact, computed by full board enumeration (not simulation). Try any other hand or full ranges in the free equity calculator.
AA vs AK FAQ
Who wins AA vs AK preflop?
AA (Pocket Aces) is the favorite: it wins 91.1% of all runouts, while AK (Ace-King) wins 7.6%. The remaining 1.3% are split pots. Counting splits as half, AA's preflop equity is 91.8%.
How often does AK beat AA?
AK wins 7.6% of the time all-in preflop against AA — roughly 1 in 13 — so it needs good pot odds or fold equity to get the money in profitably.
Are these AA vs AK numbers exact?
Yes. They are computed by exhaustively enumerating every possible five-card board (1,712,304 boards per card combination) and averaging across all suit combinations of both hands — not by Monte Carlo simulation. Display values are rounded to one decimal place.
Run any matchup in the free equity calculator · KK VS AK · QQ VS AQ · QQ VS KQ