AJs vs 55 equity
Preflop, AJs beats 55 with exact equity 48.68% vs 51.32%: AJs wins 48.45%, 55 wins 51.10%, ties 0.46%. Computed by exhaustively enumerating all 10,273,824 deals.
| AJs Win | 48.45% |
|---|---|
| 55 Win | 51.10% |
| Tie | 0.46% |
| AJs Equity (win + tie/2) | 48.68% |
| 55 Equity (win + tie/2) | 51.32% |
| Boards enumerated | 10,273,824 |
| Suit combinations | 6 |
| Losing frequency | AJs loses 1 in 2.0 |
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, AJs or 55?
55 is ahead: AJs has 48.68% equity vs 51.32% (exact enumeration).
How often do AJs vs 55 tie?
Ties occur 0.46% of the time (46,884 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, “AJs vs 55 equity”, pailiku.com/matchups/ajs-vs-55 (2026).