--- title: "K9s vs T8s: preflop equity" url: "https://georgelipoker.com/equity/k9s-vs-t8s.md" canonical_url: "https://georgelipoker.com/equity/k9s-vs-t8s" last_updated: "2026-10-23" type: "reference" summary: "K9s is a big favorite over T8s before the flop: 60.55% to 39.45% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/k9s-vs-t9o.md", "https://georgelipoker.com/equity/k9s-vs-98s.md", "https://georgelipoker.com/equity/a5s-vs-t8s.md"] --- # K9s vs T8s: preflop equity K9s is a big favorite over T8s before the flop: 60.55% to 39.45% equity, counted exactly over every board, with the split by flop type and suit. If K9s and T8s get all the chips in before the flop, K9s owns 60.55% of the pot in the long run and T8s owns 39.45%. ## K9s against T8s: the numbers **Exact preflop results for K9s against T8s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | K9s | 60.205 | 0.688 | 39.107 | 60.549 | | T8s | 39.107 | 0.688 | 60.205 | 39.451 | Here suited hands face each other, K9s on one side and T8s on the other. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits. 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: 0.69% of boards end in a split pot, and each side counts that as half a win. The hand ranking puts K9s at 29 and T8s at 73 out of 169 starting hands. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | K9s | 16,494,000 | 188,000 | 10,714,000 | | T8s | 10,714,000 | 188,000 | 16,494,000 | 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. **K9s against T8s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | K9s | 1.535 | 1.661 | 2.557 | 0.652 | | T8s | 0.652 | 2.557 | 1.661 | 1.535 | 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 The flop changes the picture. K9s does best on paired flops, at 64.06%, and worst on monotone flops, at 57.62%. K9s stays ahead on all five textures. **K9s against T8s by flop texture, in percent** | Flop | Share of flops | K9s wins | Ties | T8s wins | K9s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.543 | 60.767 | 0.325 | 38.908 | 60.929 | | Rainbow, nine or lower | 6.366 | 58.521 | 0.524 | 40.955 | 58.783 | | Two-tone | 46.727 | 59.472 | 0.333 | 40.195 | 59.638 | | Monotone | 5.273 | 55.888 | 3.458 | 40.654 | 57.617 | | Paired | 17.091 | 63.364 | 1.388 | 35.248 | 64.058 | 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 59.99%, K9s changes by +0.56 points, and T8s, from 52.33%, by -12.88. **K9s and T8s 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 | | --- | --- | --- | --- | --- | | K9s, all flops | 60.549 | 59.988 | +0.561 | 1.00935 | | K9s, rainbow, ten or higher | 60.929 | 59.988 | +0.941 | 1.01569 | | K9s, rainbow, nine or lower | 58.783 | 59.988 | -1.205 | 0.97991 | | K9s, two-tone | 59.638 | 59.988 | -0.350 | 0.99417 | | K9s, monotone | 57.617 | 59.988 | -2.371 | 0.96048 | | K9s, paired | 64.058 | 59.988 | +4.070 | 1.06785 | | T8s, all flops | 39.451 | 52.334 | -12.883 | 0.75383 | | T8s, rainbow, ten or higher | 39.071 | 52.334 | -13.263 | 0.74657 | | T8s, rainbow, nine or lower | 41.217 | 52.334 | -11.117 | 0.78758 | | T8s, two-tone | 40.362 | 52.334 | -11.972 | 0.77124 | | T8s, monotone | 42.383 | 52.334 | -9.951 | 0.80986 | | T8s, paired | 35.942 | 52.334 | -16.392 | 0.68678 | ## Does a shared suit matter? Two kinds of deal exist here. In 4 of them the hands share a suit and K9s holds 62.77%. In 12 they do not, and it holds 59.81%. K9s does better with a shared suit, by 2.96 points. **K9s against T8s by suit overlap, in percent** | Deals | Specific deals | Share of deals | K9s wins | Ties | T8s wins | K9s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 62.386 | 0.773 | 36.841 | 62.772 | | No shared suit | 12 | 75.00 | 59.479 | 0.660 | 39.861 | 59.809 | ## How often this matchup comes up Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%. ## A worked example Try it with money: two players each put in $100 and the whole board runs out every possible way. K9s averages $121.10 from the $200, up $21.10; T8s averages $78.90, down $21.10. A thousand deals look like this: K9s takes 602, T8s takes 391, 7 are ties. ## The same matchup from the other side Swap the hands and you get T8s with 39.45% against K9s with 60.55%. We keep one page per matchup, with the better-ranked hand first. ## Keep exploring The calculator link fills in Ks9s against Th8h, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength. - [Open Ks9s against Th8h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=Ks9s&p2=Th8h) - [K9s combos](https://georgelipoker.com/combos/k9s.md) - [T8s combos](https://georgelipoker.com/combos/t8s.md) - [K9s vs T9o](https://georgelipoker.com/equity/k9s-vs-t9o.md) - [K9s vs 98s](https://georgelipoker.com/equity/k9s-vs-98s.md) - [A5s vs T8s](https://georgelipoker.com/equity/a5s-vs-t8s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 16 deals of K9s against T8s 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 - [K9s vs T9o: preflop equity](https://georgelipoker.com/equity/k9s-vs-t9o.md) - [K9s vs 98s: preflop equity](https://georgelipoker.com/equity/k9s-vs-98s.md) - [A5s vs T8s: preflop equity](https://georgelipoker.com/equity/a5s-vs-t8s.md)