Preflop equity

88 vs A5s

All in before the flop, 88 (pocket eights) wins 65.9% of the pot against A5s (ace-five suited), which takes the other 34.1%. A clear favourite, but far from a lock: A5s gets there roughly one time in 3.

88 · 65.9% A5s · 34.1%

Equity counts ties as half. Figures are from 200,000 simulated deals per matchup, accurate to about a tenth of a percent, with card removal applied; the calculator below enumerates every runout exactly for specific suits.

Run it with a board

Preflop equity is only the starting point. The same matchup on a flop swings from near-lock to near-dead depending on which cards land. Open this pair in the calculator, pick suits, and add a flop, turn or river to see the number move.

Open 88 vs A5s in the calculator →

88 against other hands

Matchup	Favourite	Underdog
88 vs AKs	52.3%	47.7%
88 vs AKo	55.2%	44.8%
88 vs AQs	52.5%	47.5%
88 vs AQo	55.2%	44.9%
88 vs AJs	52.6%	47.4%
88 vs KQs	51.4%	48.6%
88 vs JTs	50.2%	49.8%
88 vs T9s	51.3%	48.7%
88 vs 98s	60.9%	39.1%
88 vs 76s	81.5%	18.5%

How to play 88 preflop · opening frequency by seat and short-stack jams
How to play A5s preflop
Multiway equity for all 169 hands · how each hand decays from two to six players
All hand-vs-hand matchups

Knowing the equity is half of it

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Run it with a board

88 against other hands

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