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A5o vs random hand equity

A5 offsuit has exact preflop equity 57.70% vs a random hand (win 55.74%, tie 3.91%, lose 40.35%), ranking 41 of 169 starting hands. Derived from exhaustive enumeration over all 1,225 opponent combos × C(48,5) boards.

Win55.74%
Tie3.91%
Lose40.35%
Equity (win + tie/2)57.70%
Rank among 169 hands41 / 169
Boards enumerated2,097,572,400

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 opponentsK5o(75.69%)、52o(75.55%)、Q5o(75.30%)、J5o(74.91%)、T5o(74.70%)
Worst 5 opponentsAA(8.10%)、AKs(26.14%)、AQs(26.66%)、AKo(27.42%)、AJs(27.58%)

FAQ

Is A5o a good starting hand?

A5o has 57.70% equity vs a random hand, ranking 41 of 169 starting hands (exact enumeration).

Which hands does A5o fear most?

Toughest opponents for A5o: AA (A5o equity 8.10%), AKs (A5o equity 26.14%), AQs (A5o equity 26.66%), AKo (A5o equity 27.42%), AJs (A5o equity 27.58%).

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.

Figures from app/data/matchup-matrix (exhaustive engine scripts/gen-matchup-matrix.mjs, cross-validated against lib/poker-equity.ts)

Cite this page: Pailiku, “A5o vs random hand equity”, pailiku.com/matchups/a5o-vs-random (2026).