A9s vs random hand equity
A9 suited has exact preflop equity 62.78% vs a random hand (win 61.51%, tie 2.54%, lose 35.95%), ranking 18 of 169 starting hands. Derived from exhaustive enumeration over all 1,225 opponent combos × C(48,5) boards.
| Win | 61.51% |
|---|---|
| Tie | 2.54% |
| Lose | 35.95% |
| Equity (win + tie/2) | 62.78% |
| Rank among 169 hands | 18 / 169 |
| Boards enumerated | 2,097,572,400 |
Note: class-average values. Specific suit combinations (e.g. shared suits) shift the numbers by a few tenths of a percent.
Best 5 opponents / Worst 5 opponents
| Best 5 opponents | 92o（77.70%）、93o（77.20%）、94o（77.08%）、95o（75.46%）、K9o（75.29%） |
|---|---|
| Worst 5 opponents | AA（11.57%）、AKs（28.81%）、AQs（29.34%）、AJs（29.94%）、AKo（30.04%） |
FAQ
Is A9s a good starting hand?
A9s has 62.78% equity vs a random hand, ranking 18 of 169 starting hands (exact enumeration).
Which hands does A9s fear most?
Toughest opponents for A9s: AA (A9s equity 11.57%), AKs (A9s equity 28.81%), AQs (A9s equity 29.34%), AJs (A9s equity 29.94%), AKo (A9s equity 30.04%).
What does "vs random hand" mean?
The opponent holds any two of the remaining 50 cards with equal probability (1,225 combos); figures are the weighted exhaustive average over all of them.
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, “A9s vs random hand equity”, pailiku.com/matchups/a9s-vs-random (2026).