--- title: "AKs vs AJs: preflop equity" url: "https://georgelipoker.com/equity/aks-vs-ajs.md" canonical_url: "https://georgelipoker.com/equity/aks-vs-ajs" last_updated: "2026-10-23" type: "reference" summary: "AKs is a big favorite over AJs before the flop: 71.01% to 28.99% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/aks-vs-ako.md", "https://georgelipoker.com/equity/aks-vs-ats.md", "https://georgelipoker.com/equity/77-vs-ajs.md"] --- # AKs vs AJs: preflop equity AKs is a big favorite over AJs before the flop: 71.01% to 28.99% 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, AKs finishes with 71.01% of the pot and AJs with 28.99%. ## AKs against AJs: the numbers **Exact preflop results for AKs against AJs, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AKs | 68.900 | 4.220 | 26.880 | 71.010 | | AJs | 26.880 | 4.220 | 68.900 | 28.990 | This is a contest between two suited hands, AKs and AJs. Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up. AKs is well ahead, and AJs needs a specific kind of board to catch up. The tie share is 4.22%: on those boards the pot is chopped and neither hand wins outright. By strength against a random hand, AKs holds place 8 of 169 and AJs holds place 11. **Boards behind the percentages: 20,547,648 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AKs | 14,157,000 | 867,000 | 5,523,000 | | AJs | 5,523,000 | 867,000 | 14,157,000 | 12 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. **AKs against AJs read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | AKs | 2.449 | 1.451 | 3.720 | 0.408 | | AJs | 0.408 | 3.720 | 1.451 | 2.449 | 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 AKs prefers low rainbow flops (nine high or lower), where it holds 81.90%, and likes monotone flops least, where it holds 64.46%. AKs stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **AKs against AJs by flop texture, in percent** | Flop | Share of flops | AKs wins | Ties | AJs wins | AKs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.138 | 69.458 | 1.931 | 28.611 | 70.424 | | Rainbow, nine or lower | 7.771 | 79.330 | 5.138 | 15.532 | 81.899 | | Two-tone | 46.543 | 69.082 | 2.449 | 28.469 | 70.307 | | Monotone | 5.215 | 62.223 | 4.481 | 33.296 | 64.464 | | Paired | 17.333 | 64.999 | 11.542 | 23.459 | 70.770 | 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 Compared with a random opponent, this matchup shifts AKs from 67.05% by +3.96 points and AJs from 65.39% by -36.40 points. **AKs and AJs 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 | | --- | --- | --- | --- | --- | | AKs, all flops | 71.010 | 67.045 | +3.965 | 1.05914 | | AKs, rainbow, ten or higher | 70.424 | 67.045 | +3.379 | 1.05040 | | AKs, rainbow, nine or lower | 81.899 | 67.045 | +14.854 | 1.22155 | | AKs, two-tone | 70.307 | 67.045 | +3.262 | 1.04865 | | AKs, monotone | 64.464 | 67.045 | -2.581 | 0.96150 | | AKs, paired | 70.770 | 67.045 | +3.725 | 1.05556 | | AJs, all flops | 28.990 | 65.393 | -36.403 | 0.44332 | | AJs, rainbow, ten or higher | 29.576 | 65.393 | -35.817 | 0.45228 | | AJs, rainbow, nine or lower | 18.101 | 65.393 | -47.292 | 0.27680 | | AJs, two-tone | 29.693 | 65.393 | -35.700 | 0.45407 | | AJs, monotone | 35.536 | 65.393 | -29.857 | 0.54342 | | AJs, paired | 29.230 | 65.393 | -36.163 | 0.44699 | ## Does a shared suit matter? Every legal deal of AKs against AJs leaves the hands with no suit in common, so the suit split does not apply here. **AKs against AJs by suit overlap, in percent** | Deals | Specific deals | Share of deals | AKs wins | Ties | AJs wins | AKs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 0 | 0.00 | not possible | not possible | not possible | not possible | | No shared suit | 12 | 100.00 | 68.900 | 4.220 | 26.880 | 71.010 | ## How often this matchup comes up Out of 1,624,350 ways to deal two seats two cards each, 12 are AKs in one seat and AJs in the other (0.0007%); with the seats swapped too, 24 (0.0015%). ## A worked example Put $100 each into a $200 pot and deal every board once: AKs averages $142.02 back, ahead of its $100 by $42.02, while AJs averages $57.98, short of its $100 by $42.02. Out of 1,000 deals you should see around 689 outright wins for AKs, 269 for AJs, and 42 split pots. ## The same matchup from the other side The mirror image, AJs against AKs, is 28.99% to 71.01%, and its address redirects to this page. ## Keep exploring AsKs against AhJh 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 AsKs against AhJh in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsKs&p2=AhJh) - [AKs combos](https://georgelipoker.com/combos/aks.md) - [AJs combos](https://georgelipoker.com/combos/ajs.md) - [AKs vs AKo](https://georgelipoker.com/equity/aks-vs-ako.md) - [AKs vs ATs](https://georgelipoker.com/equity/aks-vs-ats.md) - [77 vs AJs](https://georgelipoker.com/equity/77-vs-ajs.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed All 1,712,304 five-card boards are dealt for every suit pattern among the 12 specific deals of AKs against AJs, and both hands are scored on each. That is a full count, so the percentages are exact. Ties are half a win each, and each board appears once per flop it contains. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [AKs vs AKo: preflop equity](https://georgelipoker.com/equity/aks-vs-ako.md) - [AKs vs ATs: preflop equity](https://georgelipoker.com/equity/aks-vs-ats.md) - [77 vs AJs: preflop equity](https://georgelipoker.com/equity/77-vs-ajs.md)