--- title: "88 vs ATs: preflop equity" url: "https://georgelipoker.com/equity/88-vs-ats.md" canonical_url: "https://georgelipoker.com/equity/88-vs-ats" last_updated: "2026-10-23" type: "reference" summary: "88 vs ATs is close to a coin flip before the flop: 52.75% to 47.25% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/88-vs-aqo.md", "https://georgelipoker.com/equity/88-vs-ajo.md", "https://georgelipoker.com/equity/aks-vs-ats.md"] --- # 88 vs ATs: preflop equity 88 vs ATs is close to a coin flip before the flop: 52.75% to 47.25% equity, counted exactly over every board, with the split by flop type and suit. Over all 1,712,304 boards that can follow this deal, 88 finishes with 52.75% of the pot and ATs with 47.25%. ## 88 against ATs: the numbers **Exact preflop results for 88 against ATs, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 88 | 52.557 | 0.383 | 47.060 | 52.749 | | ATs | 47.060 | 0.383 | 52.557 | 47.251 | 88 is a pocket pair and ATs is a suited hand. This is a pair against two overcards, a matchup that stays close because the other hand only needs one of its ranks to appear. With only 5.50 points between them, the board decides this matchup far more than the cards in hand. Split pots make up 0.38% of the boards, and both equity figures count them as half a win each. Among the 169 starting hands, 88 is number 7 and ATs is number 13 by strength 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 | 21,598,000 | 157,000 | 19,339,000 | | ATs | 19,339,000 | 157,000 | 21,598,000 | The total is exact: 24 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand. **88 against ATs 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 | 1.116 | 1.903 | 2.125 | 0.896 | | ATs | 0.896 | 2.125 | 1.903 | 1.116 | The final column gives the least the pot must offer for each unit called for a call to break even at this equity. ## Who is ahead on which flops By flop texture, 88's equity runs from 47.01% on rainbow flops topped by a ten or better up to 76.63% on low rainbow flops (nine high or lower). On rainbow flops topped by a ten or better the numbers flip and ATs is the one ahead. **88 against ATs by flop texture, in percent** | Flop | Share of flops | 88 wins | Ties | ATs wins | 88 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 46.919 | 0.171 | 52.910 | 47.005 | | Rainbow, nine or lower | 6.314 | 76.290 | 0.681 | 23.029 | 76.630 | | Two-tone | 46.545 | 50.656 | 0.257 | 49.087 | 50.784 | | Monotone | 5.212 | 50.543 | 2.372 | 47.085 | 51.729 | | Paired | 17.334 | 57.625 | 0.313 | 42.062 | 57.781 | Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank. ## Compared with a random hand The table below sets each hand against its own random-hand baseline: a change of -16.41 points for 88, from 69.16%, and -17.35 for ATs, from 64.60%. **88 and ATs 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 | 52.749 | 69.163 | -16.414 | 0.76268 | | 88, rainbow, ten or higher | 47.005 | 69.163 | -22.158 | 0.67963 | | 88, rainbow, nine or lower | 76.630 | 69.163 | +7.467 | 1.10796 | | 88, two-tone | 50.784 | 69.163 | -18.379 | 0.73427 | | 88, monotone | 51.729 | 69.163 | -17.434 | 0.74793 | | 88, paired | 57.781 | 69.163 | -11.382 | 0.83543 | | ATs, all flops | 47.251 | 64.602 | -17.351 | 0.73142 | | ATs, rainbow, ten or higher | 52.995 | 64.602 | -11.607 | 0.82033 | | ATs, rainbow, nine or lower | 23.370 | 64.602 | -41.232 | 0.36175 | | ATs, two-tone | 49.216 | 64.602 | -15.386 | 0.76183 | | ATs, monotone | 48.271 | 64.602 | -16.331 | 0.74721 | | ATs, paired | 42.219 | 64.602 | -22.383 | 0.65352 | ## Does a shared suit matter? Of the deals of this matchup, 12 share a suit (88 at 52.91%) and 12 do not (52.59%). 88 does better with a shared suit, by 0.32 points. **88 against ATs by suit overlap, in percent** | Deals | Specific deals | Share of deals | 88 wins | Ties | ATs wins | 88 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 52.699 | 0.425 | 46.876 | 52.912 | | No shared suit | 12 | 50.00 | 52.415 | 0.340 | 47.245 | 52.585 | ## How often this matchup comes up Out of 1,624,350 ways to deal two seats two cards each, 24 are 88 in one seat and ATs in the other (0.0015%); with the seats swapped too, 48 (0.0030%). ## A worked example With $100 from each side, the $200 pot is split on average as $105.50 for 88 and $94.50 for ATs; the first side gains $5.50 per all-in and the second gives up $5.50. Scaled to 1,000 deals, that is roughly 525 wins for 88, 471 for ATs and 4 chopped pots. ## The same matchup from the other side ATs against 88 adds nothing new: it is 47.25% for ATs and 52.75% for 88, the same figures reversed. ## Keep exploring 8s8h against AdTd is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength. - [Open 8s8h against AdTd in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=8s8h&p2=AdTd) - [88 combos](https://georgelipoker.com/combos/88.md) - [ATs combos](https://georgelipoker.com/combos/ats.md) - [88 vs AQo](https://georgelipoker.com/equity/88-vs-aqo.md) - [88 vs AJo](https://georgelipoker.com/equity/88-vs-ajo.md) - [AKs vs ATs](https://georgelipoker.com/equity/aks-vs-ats.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 24 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [88 vs AQo: preflop equity](https://georgelipoker.com/equity/88-vs-aqo.md) - [88 vs AJo: preflop equity](https://georgelipoker.com/equity/88-vs-ajo.md) - [AKs vs ATs: preflop equity](https://georgelipoker.com/equity/aks-vs-ats.md)