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42s vs random hand equity

42 suited has exact preflop equity 36.83% vs a random hand (win 33.92%, tie 5.82%, lose 60.26%), ranking 158 of 169 starting hands. Derived from exhaustive enumeration over all 1,225 opponent combos × C(48,5) boards.

Win33.92%
Tie5.82%
Lose60.26%
Equity (win + tie/2)36.83%
Rank among 169 hands158 / 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 opponents32o(55.62%)、32s(52.86%)、42o(52.51%)、43o(49.17%)、53o(47.26%)
Worst 5 opponents44(15.68%)、55(16.49%)、AA(17.40%)、66(17.82%)、99(18.52%)

FAQ

Is 42s a good starting hand?

42s has 36.83% equity vs a random hand, ranking 158 of 169 starting hands (exact enumeration).

Which hands does 42s fear most?

Toughest opponents for 42s: 44 (42s equity 15.68%), 55 (42s equity 16.49%), AA (42s equity 17.40%), 66 (42s equity 17.82%), 99 (42s equity 18.52%).

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, “42s vs random hand equity”, pailiku.com/matchups/42s-vs-random (2026).