AA vs ATs equity
Preflop, AA beats ATs with exact equity 86.66% vs 13.34%: AA wins 86.05%, ATs wins 12.72%, ties 1.22%. Computed by exhaustively enumerating all 3,424,608 deals.
| AA Win | 86.05% |
|---|---|
| ATs Win | 12.72% |
| Tie | 1.22% |
| AA Equity (win + tie/2) | 86.66% |
| ATs Equity (win + tie/2) | 13.34% |
| Boards enumerated | 3,424,608 |
| Suit combinations | 2 |
| Losing frequency | AA loses 1 in 7.9 |
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, AA or ATs?
AA is ahead: AA has 86.66% equity vs 13.34% (exact enumeration).
How often do AA vs ATs tie?
Ties occur 1.22% of the time (41,878 of 3,424,608 outcomes).
Are these numbers simulated?
No. All 3,424,608 board combinations are exhaustively enumerated — mathematically exact and reproducible.
Related
Figures from app/data/matchup-matrix (exhaustive engine scripts/gen-matchup-matrix.mjs, cross-validated against lib/poker-equity.ts)
Cite this page: Pailiku, “AA vs ATs equity”, pailiku.com/matchups/aa-vs-ats (2026).