T9s vs 66 equity
Preflop, T9s beats 66 with exact equity 50.88% vs 49.12%: T9s wins 50.52%, 66 wins 48.76%, ties 0.72%. Computed by exhaustively enumerating all 10,273,824 deals.
| T9s Win | 50.52% |
|---|---|
| 66 Win | 48.76% |
| Tie | 0.72% |
| T9s Equity (win + tie/2) | 50.88% |
| 66 Equity (win + tie/2) | 49.12% |
| Boards enumerated | 10,273,824 |
| Suit combinations | 6 |
| Losing frequency | T9s loses 1 in 2.1 |
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, T9s or 66?
T9s is ahead: T9s has 50.88% equity vs 49.12% (exact enumeration).
How often do T9s vs 66 tie?
Ties occur 0.72% of the time (74,052 of 10,273,824 outcomes).
Are these numbers simulated?
No. All 10,273,824 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, “T9s vs 66 equity”, pailiku.com/matchups/t9s-vs-66 (2026).