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AJo vs 66 equity

Preflop, AJo beats 66 with exact equity 45.81% vs 54.19%: AJo wins 45.62%, 66 wins 53.99%, ties 0.39%. Computed by exhaustively enumerating all 10,273,824 deals.

AJo Win45.62%
66 Win53.99%
Tie0.39%
AJo Equity (win + tie/2)45.81%
66 Equity (win + tie/2)54.19%
Boards enumerated10,273,824
Suit combinations6
Losing frequencyAJo 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, AJo or 66?

66 is ahead: AJo has 45.81% equity vs 54.19% (exact enumeration).

How often do AJo vs 66 tie?

Ties occur 0.39% of the time (40,152 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, “AJo vs 66 equity”, pailiku.com/matchups/ajo-vs-66 (2026).