--- title: "88 vs A2s: preflop equity" url: "https://georgelipoker.com/equity/88-vs-a2s.md" canonical_url: "https://georgelipoker.com/equity/88-vs-a2s" last_updated: "2026-10-23" type: "reference" summary: "88 is a big favorite over A2s before the flop: 66.69% to 33.31% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/88-vs-qto.md", "https://georgelipoker.com/equity/88-vs-44.md", "https://georgelipoker.com/equity/aks-vs-a2s.md"] --- # 88 vs A2s: preflop equity 88 is a big favorite over A2s before the flop: 66.69% to 33.31% equity, counted exactly over every board, with the split by flop type and suit. If 88 and A2s get all the chips in before the flop, 88 owns 66.69% of the pot in the long run and A2s owns 33.31%. ## 88 against A2s: the numbers **Exact preflop results for 88 against A2s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 88 | 66.480 | 0.425 | 33.095 | 66.692 | | A2s | 33.095 | 0.425 | 66.480 | 33.308 | One side is a pocket pair, the other is a suited hand. The pair sits between the other hand's two cards: one is higher and one is lower, so the pair is exposed to the higher card. A lead of 33.38 points is large but not decisive: A2s still takes about 331 of every 1,000 deals. Ties are 0.43% of the outcomes here; each tied board gives both hands half the pot. 88 ranks number 7 of 169 starting hands, and A2s ranks number 46, by equity against a random hand. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 88 | 27,320,000 | 175,000 | 13,600,000 | | A2s | 13,600,000 | 175,000 | 27,320,000 | 24 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand. **88 against A2s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | 88 | 2.002 | 1.504 | 3.022 | 0.499 | | A2s | 0.499 | 3.022 | 1.504 | 2.002 | The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity. ## Who is ahead on which flops Split by what the flop looks like, 88 peaks at 78.66% on low rainbow flops (nine high or lower) and bottoms out at 62.80% on monotone flops. 88 stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **88 against A2s by flop texture, in percent** | Flop | Share of flops | 88 wins | Ties | A2s wins | 88 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.220 | 66.120 | 0.199 | 33.681 | 66.219 | | Rainbow, nine or lower | 5.689 | 78.240 | 0.847 | 20.913 | 78.663 | | Two-tone | 46.545 | 65.148 | 0.294 | 34.558 | 65.295 | | Monotone | 5.212 | 61.600 | 2.400 | 36.000 | 62.800 | | Paired | 17.334 | 68.185 | 0.374 | 31.441 | 68.372 | A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank. ## Compared with a random hand A random hand would give 88 69.16% and A2s 57.38%. Against each other the change is -2.47 points for 88 and -24.07 for A2s. **88 and A2s here compared with each against a random hand, in percent** | Case | Equity here | Against a random hand | Change in points | Times the random-hand equity | | --- | --- | --- | --- | --- | | 88, all flops | 66.692 | 69.163 | -2.471 | 0.96427 | | 88, rainbow, ten or higher | 66.219 | 69.163 | -2.944 | 0.95743 | | 88, rainbow, nine or lower | 78.663 | 69.163 | +9.500 | 1.13736 | | 88, two-tone | 65.295 | 69.163 | -3.868 | 0.94407 | | 88, monotone | 62.800 | 69.163 | -6.363 | 0.90800 | | 88, paired | 68.372 | 69.163 | -0.791 | 0.98856 | | A2s, all flops | 33.308 | 57.379 | -24.071 | 0.58049 | | A2s, rainbow, ten or higher | 33.781 | 57.379 | -23.598 | 0.58873 | | A2s, rainbow, nine or lower | 21.337 | 57.379 | -36.042 | 0.37186 | | A2s, two-tone | 34.705 | 57.379 | -22.674 | 0.60484 | | A2s, monotone | 37.200 | 57.379 | -20.179 | 0.64832 | | A2s, paired | 31.628 | 57.379 | -25.751 | 0.55121 | ## Does a shared suit matter? Of the deals of this matchup, 12 share a suit (88 at 66.99%) and 12 do not (66.39%). 88 does better with a shared suit, by 0.60 points. **88 against A2s by suit overlap, in percent** | Deals | Specific deals | Share of deals | 88 wins | Ties | A2s wins | 88 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 66.757 | 0.472 | 32.771 | 66.993 | | No shared suit | 12 | 50.00 | 66.201 | 0.379 | 33.420 | 66.391 | ## How often this matchup comes up How often does it happen? 24 of the 1,624,350 ordered deals (0.0015%) are 88 against A2s, and 48 (0.0030%) if either hand may sit in either seat. ## A worked example Take a $200 pot built from $100 each. 88's equity of 66.69% is worth $133.38, a $33.38 edge, and A2s' 33.31% is worth $66.62, which is $33.38 under its stake. A thousand deals look like this: 88 takes 665, A2s takes 331, 4 are ties. ## The same matchup from the other side One page covers both views. From A2s' side the equity is 33.31%, and from 88's side it is 66.69%. ## Keep exploring The calculator link fills in 8s8h against Ad2d, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength. - [Open 8s8h against Ad2d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=8s8h&p2=Ad2d) - [88 combos](https://georgelipoker.com/combos/88.md) - [A2s combos](https://georgelipoker.com/combos/a2s.md) - [88 vs QTo](https://georgelipoker.com/equity/88-vs-qto.md) - [88 vs 44](https://georgelipoker.com/equity/88-vs-44.md) - [AKs vs A2s](https://georgelipoker.com/equity/aks-vs-a2s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 24 deals of 88 against A2s fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [88 vs QTo: preflop equity](https://georgelipoker.com/equity/88-vs-qto.md) - [88 vs 44: preflop equity](https://georgelipoker.com/equity/88-vs-44.md) - [AKs vs A2s: preflop equity](https://georgelipoker.com/equity/aks-vs-a2s.md)