A4o vs random hand equity
A4 offsuit has exact preflop equity 56.73% vs a random hand (win 54.73%, tie 3.99%, lose 41.27%), ranking 49 of 169 starting hands. Derived from exhaustive enumeration over all 1,225 opponent combos × C(48,5) boards.
| Win | 54.73% |
|---|---|
| Tie | 3.99% |
| Lose | 41.27% |
| Equity (win + tie/2) | 56.73% |
| Rank among 169 hands | 49 / 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 | K4o（75.86%）、42o（75.72%）、Q4o（75.47%）、J4o（75.08%）、94o（75.00%） |
|---|---|
| Worst 5 opponents | AA（7.66%）、AKs（25.68%）、AQs（26.20%）、AKo（26.92%）、AJs（27.12%） |
FAQ
Is A4o a good starting hand?
A4o has 56.73% equity vs a random hand, ranking 49 of 169 starting hands (exact enumeration).
Which hands does A4o fear most?
Toughest opponents for A4o: AA (A4o equity 7.66%), AKs (A4o equity 25.68%), AQs (A4o equity 26.20%), AKo (A4o equity 26.92%), AJs (A4o equity 27.12%).
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, “A4o vs random hand equity”, pailiku.com/matchups/a4o-vs-random (2026).