--- title: "KJs vs T9s: preflop equity" url: "https://georgelipoker.com/equity/kjs-vs-t9s.md" canonical_url: "https://georgelipoker.com/equity/kjs-vs-t9s" last_updated: "2026-10-23" type: "reference" summary: "KJs is a big favorite over T9s before the flop: 63.30% to 36.70% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/kjs-vs-33.md", "https://georgelipoker.com/equity/kjs-vs-t8s.md", "https://georgelipoker.com/equity/a8s-vs-t9s.md"] --- # KJs vs T9s: preflop equity KJs is a big favorite over T9s before the flop: 63.30% to 36.70% equity, counted exactly over every board, with the split by flop type and suit. If KJs and T9s get all the chips in before the flop, KJs owns 63.30% of the pot in the long run and T9s owns 36.70%. ## KJs against T9s: the numbers **Exact preflop results for KJs against T9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | KJs | 62.951 | 0.700 | 36.349 | 63.301 | | T9s | 36.349 | 0.700 | 62.951 | 36.699 | Here suited hands face each other, KJs on one side and T9s on the other. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. That is a modest edge, the kind that shows up over many hands and is easy to miss in one. Ties are part of the picture: 0.70% of boards end in a split pot, and each side counts that as half a win. Ranked by equity against a random hand, KJs is number 20 of the 169 starting hands and T9s is number 64. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | KJs | 17,247,000 | 192,000 | 9,958,000 | | T9s | 9,958,000 | 192,000 | 17,247,000 | Exact total: 16 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. **KJs 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) | | --- | --- | --- | --- | --- | | KJs | 1.725 | 1.589 | 2.751 | 0.580 | | T9s | 0.580 | 2.751 | 1.589 | 1.725 | In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity. ## Who is ahead on which flops Rainbow flops topped by a ten or better are the best for KJs (66.58%); low rainbow flops (nine high or lower) are the worst (53.89%). KJs stays ahead on all five textures. **KJs against T9s by flop texture, in percent** | Flop | Share of flops | KJs wins | Ties | T9s wins | KJs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.867 | 66.430 | 0.290 | 33.280 | 66.575 | | Rainbow, nine or lower | 7.042 | 53.531 | 0.715 | 45.754 | 53.889 | | Two-tone | 46.727 | 62.460 | 0.347 | 37.193 | 62.634 | | Monotone | 5.273 | 58.521 | 3.465 | 38.014 | 60.254 | | Paired | 17.091 | 64.683 | 1.376 | 33.941 | 65.371 | 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 A random hand would give KJs 62.57% and T9s 54.03%. Against each other the change is +0.73 points for KJs and -17.33 for T9s. **KJs 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 | | --- | --- | --- | --- | --- | | KJs, all flops | 63.301 | 62.567 | +0.734 | 1.01173 | | KJs, rainbow, ten or higher | 66.575 | 62.567 | +4.008 | 1.06406 | | KJs, rainbow, nine or lower | 53.889 | 62.567 | -8.678 | 0.86130 | | KJs, two-tone | 62.634 | 62.567 | +0.067 | 1.00107 | | KJs, monotone | 60.254 | 62.567 | -2.313 | 0.96303 | | KJs, paired | 65.371 | 62.567 | +2.804 | 1.04482 | | T9s, all flops | 36.699 | 54.028 | -17.329 | 0.67926 | | T9s, rainbow, ten or higher | 33.425 | 54.028 | -20.603 | 0.61866 | | T9s, rainbow, nine or lower | 46.111 | 54.028 | -7.917 | 0.85346 | | T9s, two-tone | 37.366 | 54.028 | -16.662 | 0.69160 | | T9s, monotone | 39.746 | 54.028 | -14.282 | 0.73566 | | T9s, paired | 34.629 | 54.028 | -19.399 | 0.64095 | ## Does a shared suit matter? The suit split reads 65.72% for KJs with a shared suit and 62.50% without one. KJs does better with a shared suit, by 3.22 points. **KJs against T9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | KJs wins | Ties | T9s wins | KJs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 65.322 | 0.785 | 33.893 | 65.715 | | No shared suit | 12 | 75.00 | 62.161 | 0.671 | 37.168 | 62.496 | ## How often this matchup comes up How often does it happen? 16 of the 1,624,350 ordered deals (0.0010%) are KJs against T9s, and 32 (0.0020%) if either hand may sit in either seat. ## A worked example Worked example: both players commit $100, so $200 sits in the middle. Over every board, KJs' average share is $126.60 (a gain of $26.60) and T9s' is $73.40 (a loss of $26.60). A thousand deals look like this: KJs takes 630, T9s takes 363, 7 are ties. ## The same matchup from the other side One page covers both views. From T9s' side the equity is 36.70%, and from KJs' side it is 63.30%. ## Keep exploring KsJs 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 KsJs against Th9h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=KsJs&p2=Th9h) - [KJs combos](https://georgelipoker.com/combos/kjs.md) - [T9s combos](https://georgelipoker.com/combos/t9s.md) - [KJs vs 33](https://georgelipoker.com/equity/kjs-vs-33.md) - [KJs vs T8s](https://georgelipoker.com/equity/kjs-vs-t8s.md) - [A8s vs T9s](https://georgelipoker.com/equity/a8s-vs-t9s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 16 deals of KJs against T9s 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 - [KJs vs 33: preflop equity](https://georgelipoker.com/equity/kjs-vs-33.md) - [KJs vs T8s: preflop equity](https://georgelipoker.com/equity/kjs-vs-t8s.md) - [A8s vs T9s: preflop equity](https://georgelipoker.com/equity/a8s-vs-t9s.md)