--- title: "AJs vs T9s: preflop equity" url: "https://georgelipoker.com/equity/ajs-vs-t9s.md" canonical_url: "https://georgelipoker.com/equity/ajs-vs-t9s" last_updated: "2026-10-23" type: "reference" summary: "AJs is a big favorite over T9s before the flop: 62.38% to 37.62% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/ajs-vs-33.md", "https://georgelipoker.com/equity/ajs-vs-t8s.md", "https://georgelipoker.com/equity/ako-vs-t9s.md"] --- # AJs vs T9s: preflop equity AJs is a big favorite over T9s before the flop: 62.38% to 37.62% equity, counted exactly over every board, with the split by flop type and suit. The exact count puts AJs at 62.38% and T9s at 37.62% when the two hands see all five board cards. ## AJs against T9s: the numbers **Exact preflop results for AJs against T9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AJs | 62.138 | 0.482 | 37.380 | 62.379 | | T9s | 37.380 | 0.482 | 62.138 | 37.621 | This is a contest between two suited hands, AJs and T9s. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. The lead is steady rather than large, and the flop still has plenty of say in who wins. Split pots make up 0.48% of the boards, and both equity figures count them as half a win each. For context, AJs sits at number 11 of 169 starting hands and T9s at number 64 when each is run against a random hand. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AJs | 17,024,000 | 132,000 | 10,241,000 | | T9s | 10,241,000 | 132,000 | 17,024,000 | 16 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. **AJs against T9s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | AJs | 1.658 | 1.609 | 2.675 | 0.603 | | T9s | 0.603 | 2.675 | 1.609 | 1.658 | 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 If you know the kind of flop that came, the numbers shift: AJs holds 65.12% on paired flops and 53.96% on low rainbow flops (nine high or lower). AJs stays ahead on all five textures. **AJs against T9s by flop texture, in percent** | Flop | Share of flops | AJs wins | Ties | T9s wins | AJs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.867 | 64.989 | 0.146 | 34.865 | 65.062 | | Rainbow, nine or lower | 7.042 | 53.616 | 0.689 | 45.695 | 53.960 | | Two-tone | 46.727 | 61.485 | 0.241 | 38.274 | 61.605 | | Monotone | 5.273 | 57.747 | 3.400 | 38.853 | 59.447 | | Paired | 17.091 | 64.807 | 0.624 | 34.569 | 65.119 | 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 65.39%, AJs changes by -3.01 points, and T9s, from 54.03%, by -16.41. **AJs and T9s 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 | | --- | --- | --- | --- | --- | | AJs, all flops | 62.379 | 65.393 | -3.014 | 0.95391 | | AJs, rainbow, ten or higher | 65.062 | 65.393 | -0.331 | 0.99494 | | AJs, rainbow, nine or lower | 53.960 | 65.393 | -11.433 | 0.82516 | | AJs, two-tone | 61.605 | 65.393 | -3.788 | 0.94207 | | AJs, monotone | 59.447 | 65.393 | -5.946 | 0.90907 | | AJs, paired | 65.119 | 65.393 | -0.274 | 0.99581 | | T9s, all flops | 37.621 | 54.028 | -16.407 | 0.69632 | | T9s, rainbow, ten or higher | 34.938 | 54.028 | -19.090 | 0.64666 | | T9s, rainbow, nine or lower | 46.040 | 54.028 | -7.988 | 0.85215 | | T9s, two-tone | 38.395 | 54.028 | -15.633 | 0.71065 | | T9s, monotone | 40.553 | 54.028 | -13.475 | 0.75059 | | T9s, paired | 34.881 | 54.028 | -19.147 | 0.64561 | ## Does a shared suit matter? When the hands share a suit, AJs holds 64.70%; when they do not, it holds 61.61%. AJs does better with a shared suit, by 3.09 points. **AJs against T9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | AJs wins | Ties | T9s wins | AJs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 64.421 | 0.557 | 35.022 | 64.699 | | No shared suit | 12 | 75.00 | 61.377 | 0.457 | 38.166 | 61.605 | ## How often this matchup comes up AJs against T9s is made up of 16 specific-card matchups in one seat order, 0.0010% of the 1,624,350 ordered deals, and 32 counting both seat orders, 0.0020%. ## A worked example Try it with money: two players each put in $100 and the whole board runs out every possible way. AJs averages $124.76 from the $200, up $24.76; T9s averages $75.24, down $24.76. In 1,000 deals of exactly this matchup, expect about 621 won outright by AJs, about 374 won outright by T9s and about 5 split. ## The same matchup from the other side If you came looking for T9s against AJs, the numbers are the same with the hands swapped: 37.62% and 62.38%. ## Keep exploring AsJs against Th9h 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 AsJs against Th9h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsJs&p2=Th9h) - [AJs combos](https://georgelipoker.com/combos/ajs.md) - [T9s combos](https://georgelipoker.com/combos/t9s.md) - [AJs vs 33](https://georgelipoker.com/equity/ajs-vs-33.md) - [AJs vs T8s](https://georgelipoker.com/equity/ajs-vs-t8s.md) - [AKo vs T9s](https://georgelipoker.com/equity/ako-vs-t9s.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 16 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 - [AJs vs 33: preflop equity](https://georgelipoker.com/equity/ajs-vs-33.md) - [AJs vs T8s: preflop equity](https://georgelipoker.com/equity/ajs-vs-t8s.md) - [AKo vs T9s: preflop equity](https://georgelipoker.com/equity/ako-vs-t9s.md)