--- title: "AJo vs 87s: preflop equity" url: "https://georgelipoker.com/equity/ajo-vs-87s.md" canonical_url: "https://georgelipoker.com/equity/ajo-vs-87s" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, AJo or 87s? AJo leads 58.99% to 41.01% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/ajo-vs-86s.md", "https://georgelipoker.com/equity/ajo-vs-76s.md", "https://georgelipoker.com/equity/kqs-vs-87s.md"] --- # AJo vs 87s: preflop equity Who is ahead, AJo or 87s? AJo leads 58.99% to 41.01% before the flop, counted exactly over every board, with the split by flop type and suit. Before any board card is dealt, AJo holds 58.99% equity against 87s, which leaves 87s with 41.01%. ## AJo against 87s: the numbers **Exact preflop results for AJo against 87s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AJo | 58.789 | 0.411 | 40.800 | 58.994 | | 87s | 40.800 | 0.411 | 58.789 | 41.006 | AJo and 87s are an offsuit hand and a suited hand, in that order. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. AJo is ahead, but 87s is far from dead: it takes 408 of every 1,000 deals outright. Split pots make up 0.41% of the boards, and both equity figures count them as half a win each. AJo ranks number 15 of 169 starting hands, and 87s ranks number 100, by equity against a random hand. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AJo | 48,319,000 | 338,000 | 33,534,000 | | 87s | 33,534,000 | 338,000 | 48,319,000 | Exact total: 48 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate. **AJo against 87s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | AJo | 1.439 | 1.701 | 2.451 | 0.695 | | 87s | 0.695 | 2.451 | 1.701 | 1.439 | The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call. ## Who is ahead on which flops By flop texture, AJo's equity runs from 35.39% on low rainbow flops (nine high or lower) up to 66.33% on rainbow flops topped by a ten or better. On low rainbow flops (nine high or lower) the numbers flip and 87s is the one ahead. **AJo against 87s by flop texture, in percent** | Flop | Share of flops | AJo wins | Ties | 87s wins | AJo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 66.243 | 0.171 | 33.586 | 66.328 | | Rainbow, nine or lower | 6.313 | 35.145 | 0.497 | 64.358 | 35.394 | | Two-tone | 46.667 | 57.227 | 0.225 | 42.548 | 57.340 | | Monotone | 5.212 | 56.319 | 2.350 | 41.331 | 57.494 | | Paired | 17.091 | 61.763 | 0.641 | 37.596 | 62.083 | 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 How much does the opponent matter? Compared with its random-hand 63.56%, AJo changes by -4.57 points, and 87s, from 47.94%, by -6.93. **AJo and 87s 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 | | --- | --- | --- | --- | --- | | AJo, all flops | 58.994 | 63.563 | -4.569 | 0.92812 | | AJo, rainbow, ten or higher | 66.328 | 63.563 | +2.765 | 1.04350 | | AJo, rainbow, nine or lower | 35.394 | 63.563 | -28.169 | 0.55683 | | AJo, two-tone | 57.340 | 63.563 | -6.223 | 0.90210 | | AJo, monotone | 57.494 | 63.563 | -6.069 | 0.90452 | | AJo, paired | 62.083 | 63.563 | -1.480 | 0.97672 | | 87s, all flops | 41.006 | 47.936 | -6.930 | 0.85543 | | 87s, rainbow, ten or higher | 33.672 | 47.936 | -14.264 | 0.70244 | | 87s, rainbow, nine or lower | 64.606 | 47.936 | +16.670 | 1.34776 | | 87s, two-tone | 42.660 | 47.936 | -5.276 | 0.88994 | | 87s, monotone | 42.506 | 47.936 | -5.430 | 0.88672 | | 87s, paired | 37.917 | 47.936 | -10.019 | 0.79099 | ## Does a shared suit matter? The suit split reads 59.67% for AJo with a shared suit and 58.32% without one. AJo does better with a shared suit, by 1.35 points. **AJo against 87s by suit overlap, in percent** | Deals | Specific deals | Share of deals | AJo wins | Ties | 87s wins | AJo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 59.443 | 0.452 | 40.105 | 59.669 | | No shared suit | 24 | 50.00 | 58.135 | 0.369 | 41.496 | 58.320 | ## How often this matchup comes up Counting specific cards, AJo against 87s appears in 48 of the 1,624,350 ordered heads-up deals (0.0030%), and in 96 when the seats are swapped too (0.0059%). ## A worked example Worked example: both players commit $100, so $200 sits in the middle. Over every board, AJo's average share is $117.98 (a gain of $17.98) and 87s' is $82.02 (a loss of $17.98). Scaled to 1,000 deals, that is roughly 588 wins for AJo, 408 for 87s and 4 chopped pots. ## The same matchup from the other side One page covers both views. From 87s' side the equity is 41.01%, and from AJo's side it is 58.99%. ## Keep exploring Try AsJh against 8d7d in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking. - [Open AsJh against 8d7d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsJh&p2=8d7d) - [AJo combos](https://georgelipoker.com/combos/ajo.md) - [87s combos](https://georgelipoker.com/combos/87s.md) - [AJo vs 86s](https://georgelipoker.com/equity/ajo-vs-86s.md) - [AJo vs 76s](https://georgelipoker.com/equity/ajo-vs-76s.md) - [KQs vs 87s](https://georgelipoker.com/equity/kqs-vs-87s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 48 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [AJo vs 86s: preflop equity](https://georgelipoker.com/equity/ajo-vs-86s.md) - [AJo vs 76s: preflop equity](https://georgelipoker.com/equity/ajo-vs-76s.md) - [KQs vs 87s: preflop equity](https://georgelipoker.com/equity/kqs-vs-87s.md)