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AKs vs 55 equity

Preflop, AKs beats 55 with exact equity 48.03% vs 51.97%: AKs wins 47.80%, 55 wins 51.73%, ties 0.48%. Computed by exhaustively enumerating all 10,273,824 deals.

AKs Win47.80%
55 Win51.73%
Tie0.48%
AKs Equity (win + tie/2)48.03%
55 Equity (win + tie/2)51.97%
Boards enumerated10,273,824
Suit combinations6
Losing frequencyAKs loses 1 in 1.9

Note: class-average values. Specific suit combinations (e.g. shared suits) shift the numbers by a few tenths of a percent.

FAQ

Who wins more often, AKs or 55?

55 is ahead: AKs has 48.03% equity vs 51.97% (exact enumeration).

How often do AKs vs 55 tie?

Ties occur 0.48% of the time (49,002 of 10,273,824 outcomes).

Are these numbers simulated?

No. All 10,273,824 board combinations are exhaustively enumerated — mathematically exact and reproducible.

Figures from app/data/matchup-matrix (exhaustive engine scripts/gen-matchup-matrix.mjs, cross-validated against lib/poker-equity.ts)

Cite this page: Pailiku, “AKs vs 55 equity”, pailiku.com/matchups/aks-vs-55 (2026).