--- title: "KK vs T9s: preflop equity" url: "https://georgelipoker.com/equity/kk-vs-t9s.md" canonical_url: "https://georgelipoker.com/equity/kk-vs-t9s" last_updated: "2026-10-23" type: "reference" summary: "KK is a big favorite over T9s before the flop: 78.91% to 21.09% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/kk-vs-33.md", "https://georgelipoker.com/equity/kk-vs-t8s.md", "https://georgelipoker.com/equity/qq-vs-t9s.md"] --- # KK vs T9s: preflop equity KK is a big favorite over T9s before the flop: 78.91% to 21.09% equity, counted exactly over every board, with the split by flop type and suit. Before any board card is dealt, KK holds 78.91% equity against T9s, which leaves T9s with 21.09%. ## KK against T9s: the numbers **Exact preflop results for KK against T9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | KK | 78.716 | 0.387 | 20.897 | 78.909 | | T9s | 20.897 | 0.387 | 78.716 | 21.091 | KK, a pocket pair, plays T9s, a suited hand. The pair outranks both of the other hand's cards, which is why the pair is a strong favorite. That is a clear edge, 78.91% to 21.09%, but T9s still wins often enough that one hand proves nothing. Ties are 0.39% of the outcomes here; each tied board gives both hands half the pot. Ranked by equity against a random hand, KK is number 2 of the 169 starting hands and T9s is number 64. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | KK | 32,349,000 | 159,000 | 8,588,000 | | T9s | 8,588,000 | 159,000 | 32,349,000 | 24 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. **KK 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) | | --- | --- | --- | --- | --- | | KK | 3.741 | 1.270 | 4.785 | 0.267 | | T9s | 0.267 | 4.785 | 1.270 | 3.741 | 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: KK holds 83.20% on paired flops and 73.55% on monotone flops. KK stays ahead on all five textures. **KK against T9s by flop texture, in percent** | Flop | Share of flops | KK wins | Ties | T9s wins | KK equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.867 | 80.245 | 0.188 | 19.567 | 80.339 | | Rainbow, nine or lower | 7.042 | 80.081 | 0.818 | 19.101 | 80.490 | | Two-tone | 46.545 | 76.786 | 0.308 | 22.906 | 76.940 | | Monotone | 5.212 | 72.347 | 2.402 | 25.251 | 73.548 | | Paired | 17.334 | 83.153 | 0.092 | 16.755 | 83.199 | Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank. ## Compared with a random hand Against one random hand instead, KK holds 82.40% and T9s holds 54.03%. Facing each other changes that by -3.49 points for KK and -32.94 points for T9s. **KK 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 | | --- | --- | --- | --- | --- | | KK, all flops | 78.909 | 82.396 | -3.487 | 0.95768 | | KK, rainbow, ten or higher | 80.339 | 82.396 | -2.057 | 0.97504 | | KK, rainbow, nine or lower | 80.490 | 82.396 | -1.906 | 0.97687 | | KK, two-tone | 76.940 | 82.396 | -5.456 | 0.93378 | | KK, monotone | 73.548 | 82.396 | -8.848 | 0.89262 | | KK, paired | 83.199 | 82.396 | +0.803 | 1.00975 | | T9s, all flops | 21.091 | 54.028 | -32.937 | 0.39037 | | T9s, rainbow, ten or higher | 19.661 | 54.028 | -34.367 | 0.36390 | | T9s, rainbow, nine or lower | 19.510 | 54.028 | -34.518 | 0.36111 | | T9s, two-tone | 23.060 | 54.028 | -30.968 | 0.42682 | | T9s, monotone | 26.452 | 54.028 | -27.576 | 0.48960 | | T9s, paired | 16.801 | 54.028 | -37.227 | 0.31097 | ## Does a shared suit matter? Split by suits, the deals give KK 79.47% when the hands overlap in a suit and 78.35% when they do not. KK does better with a shared suit, by 1.12 points. **KK against T9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | KK wins | Ties | T9s wins | KK equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 79.254 | 0.427 | 20.319 | 79.467 | | No shared suit | 12 | 50.00 | 78.178 | 0.346 | 21.476 | 78.351 | ## How often this matchup comes up This page stands for 24 specific-card matchups (0.0015% of 1,624,350 ordered deals), or 48 once you count the seats both ways (0.0030%). ## A worked example Worked example: both players commit $100, so $200 sits in the middle. Over every board, KK's average share is $157.82 (a gain of $57.82) and T9s' is $42.18 (a loss of $57.82). In 1,000 deals of exactly this matchup, expect about 787 won outright by KK, about 209 won outright by T9s and about 4 split. ## The same matchup from the other side Swap the hands and you get T9s with 21.09% against KK with 78.91%. We keep one page per matchup, with the better-ranked hand first. ## Keep exploring Try KsKh against Td9d 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 KsKh against Td9d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=KsKh&p2=Td9d) - [KK combos](https://georgelipoker.com/combos/kk.md) - [T9s combos](https://georgelipoker.com/combos/t9s.md) - [KK vs 33](https://georgelipoker.com/equity/kk-vs-33.md) - [KK vs T8s](https://georgelipoker.com/equity/kk-vs-t8s.md) - [QQ vs T9s](https://georgelipoker.com/equity/qq-vs-t9s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 24 deals of KK 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 - [KK vs 33: preflop equity](https://georgelipoker.com/equity/kk-vs-33.md) - [KK vs T8s: preflop equity](https://georgelipoker.com/equity/kk-vs-t8s.md) - [QQ vs T9s: preflop equity](https://georgelipoker.com/equity/qq-vs-t9s.md)