A4s vs random hand equity
A4 suited has exact preflop equity 59.03% vs a random hand (win 57.14%, tie 3.79%, lose 39.07%), ranking 35 of 169 starting hands. Derived from exhaustive enumeration over all 1,225 opponent combos × C(48,5) boards.
| Win | 57.14% |
|---|---|
| Tie | 3.79% |
| Lose | 39.07% |
| Equity (win + tie/2) | 59.03% |
| Rank among 169 hands | 35 / 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（76.89%）、42o（76.53%）、Q4o（76.52%）、J4o（76.16%）、94o（76.10%） |
|---|---|
| Worst 5 opponents | AA（12.91%）、AKs（29.76%）、AQs（30.27%）、AKo（31.08%）、AJs（31.14%） |
FAQ
Is A4s a good starting hand?
A4s has 59.03% equity vs a random hand, ranking 35 of 169 starting hands (exact enumeration).
Which hands does A4s fear most?
Toughest opponents for A4s: AA (A4s equity 12.91%), AKs (A4s equity 29.76%), AQs (A4s equity 30.27%), AKo (A4s equity 31.08%), AJs (A4s equity 31.14%).
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, “A4s vs random hand equity”, pailiku.com/matchups/a4s-vs-random (2026).