T9s vs 99 equity
Preflop, T9s beats 99 with exact equity 38.85% vs 61.15%: T9s wins 37.89%, 99 wins 60.20%, ties 1.91%. Computed by exhaustively enumerating all 5,136,912 deals.
| T9s Win | 37.89% |
|---|---|
| 99 Win | 60.20% |
| Tie | 1.91% |
| T9s Equity (win + tie/2) | 38.85% |
| 99 Equity (win + tie/2) | 61.15% |
| Boards enumerated | 5,136,912 |
| Suit combinations | 3 |
| Losing frequency | T9s loses 1 in 1.7 |
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 99?
99 is ahead: T9s has 38.85% equity vs 61.15% (exact enumeration).
How often do T9s vs 99 tie?
Ties occur 1.91% of the time (97,977 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, “T9s vs 99 equity”, pailiku.com/matchups/t9s-vs-99 (2026).