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AJo vs ATs equity

Preflop, AJo beats ATs with exact equity 68.68% vs 31.32%: AJo wins 64.84%, ATs wins 27.49%, ties 7.66%. Computed by exhaustively enumerating all 5,136,912 deals.

AJo Win64.84%
ATs Win27.49%
Tie7.66%
AJo Equity (win + tie/2)68.68%
ATs Equity (win + tie/2)31.32%
Boards enumerated5,136,912
Suit combinations3
Losing frequencyAJo loses 1 in 3.6

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 ATs?

AJo is ahead: AJo has 68.68% equity vs 31.32% (exact enumeration).

How often do AJo vs ATs tie?

Ties occur 7.66% of the time (393,669 of 5,136,912 outcomes).

Are these numbers simulated?

No. All 5,136,912 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 ATs equity”, pailiku.com/matchups/ajo-vs-ats (2026).