AJo vs 99 equity
Preflop, AJo beats 99 with exact equity 44.54% vs 55.46%: AJo wins 44.35%, 99 wins 55.27%, ties 0.38%. Computed by exhaustively enumerating all 10,273,824 deals.
| AJo Win | 44.35% |
|---|---|
| 99 Win | 55.27% |
| Tie | 0.38% |
| AJo Equity (win + tie/2) | 44.54% |
| 99 Equity (win + tie/2) | 55.46% |
| Boards enumerated | 10,273,824 |
| Suit combinations | 6 |
| Losing frequency | AJo loses 1 in 1.8 |
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 99?
99 is ahead: AJo has 44.54% equity vs 55.46% (exact enumeration).
How often do AJo vs 99 tie?
Ties occur 0.38% of the time (38,865 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, “AJo vs 99 equity”, pailiku.com/matchups/ajo-vs-99 (2026).