ATs vs T9s equity
Preflop, ATs beats T9s with exact equity 69.16% vs 30.84%: ATs wins 68.12%, T9s wins 29.81%, ties 2.07%. Computed by exhaustively enumerating all 5,136,912 deals.
| ATs Win | 68.12% |
|---|---|
| T9s Win | 29.81% |
| Tie | 2.07% |
| ATs Equity (win + tie/2) | 69.16% |
| T9s Equity (win + tie/2) | 30.84% |
| Boards enumerated | 5,136,912 |
| Suit combinations | 3 |
| Losing frequency | ATs loses 1 in 3.4 |
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, ATs or T9s?
ATs is ahead: ATs has 69.16% equity vs 30.84% (exact enumeration).
How often do ATs vs T9s tie?
Ties occur 2.07% of the time (106,440 of 5,136,912 outcomes).
Are these numbers simulated?
No. All 5,136,912 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, “ATs vs T9s equity”, pailiku.com/matchups/ats-vs-t9s (2026).