88 vs 66 equity
Preflop, 88 beats 66 with exact equity 81.44% vs 18.56%: 88 wins 80.98%, 66 wins 18.09%, ties 0.93%. Computed by exhaustively enumerating all 10,273,824 deals.
| 88 Win | 80.98% |
|---|---|
| 66 Win | 18.09% |
| Tie | 0.93% |
| 88 Equity (win + tie/2) | 81.44% |
| 66 Equity (win + tie/2) | 18.56% |
| Boards enumerated | 10,273,824 |
| Suit combinations | 6 |
| Losing frequency | 88 loses 1 in 5.5 |
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, 88 or 66?
88 is ahead: 88 has 81.44% equity vs 18.56% (exact enumeration).
How often do 88 vs 66 tie?
Ties occur 0.93% of the time (95,256 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, “88 vs 66 equity”, pailiku.com/matchups/88-vs-66 (2026).