--- title: "KTo vs J9s: preflop equity" url: "https://georgelipoker.com/equity/kto-vs-j9s.md" canonical_url: "https://georgelipoker.com/equity/kto-vs-j9s" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, KTo or J9s? KTo leads 59.43% to 40.57% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/kto-vs-jto.md", "https://georgelipoker.com/equity/kto-vs-t9s.md", "https://georgelipoker.com/equity/qts-vs-j9s.md"] --- # KTo vs J9s: preflop equity Who is ahead, KTo or J9s? KTo leads 59.43% to 40.57% before the flop, counted exactly over every board, with the split by flop type and suit. In equity, KTo against J9s stands at 59.43% to 40.57%, a gap of 18.86 points. ## KTo against J9s: the numbers **Exact preflop results for KTo against J9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | KTo | 59.100 | 0.666 | 40.234 | 59.433 | | J9s | 40.234 | 0.666 | 59.100 | 40.567 | KTo and J9s are an offsuit hand and a suited hand, in that order. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. A 18.86 point lead is real, and J9s still takes about 402 of every 1,000 deals outright. 0.67% of boards are ties, so the equity of each hand is its win rate plus half of that. For context, KTo sits at number 33 of 169 starting hands and J9s at number 55 when each is run against a random hand. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | KTo | 48,575,000 | 547,000 | 33,069,000 | | J9s | 33,069,000 | 547,000 | 48,575,000 | The board total is exact, 48 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **KTo against J9s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | KTo | 1.465 | 1.692 | 2.485 | 0.683 | | J9s | 0.683 | 2.485 | 1.692 | 1.465 | 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 By flop texture, KTo's equity runs from 55.95% on low rainbow flops (nine high or lower) up to 62.52% on paired flops. KTo stays ahead on all five textures. **KTo against J9s by flop texture, in percent** | Flop | Share of flops | KTo wins | Ties | J9s wins | KTo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.988 | 61.864 | 0.298 | 37.838 | 62.013 | | Rainbow, nine or lower | 7.042 | 55.579 | 0.742 | 43.679 | 55.950 | | Two-tone | 46.667 | 57.605 | 0.370 | 42.025 | 57.790 | | Monotone | 5.212 | 55.628 | 2.449 | 41.923 | 56.852 | | Paired | 17.091 | 61.815 | 1.414 | 36.771 | 62.522 | 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 Each hand has a baseline against a random hand: 59.74% for KTo, 55.66% for J9s. Here the change is -0.31 and -15.09 points. **KTo and J9s 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 | | --- | --- | --- | --- | --- | | KTo, all flops | 59.433 | 59.739 | -0.306 | 0.99488 | | KTo, rainbow, ten or higher | 62.013 | 59.739 | +2.274 | 1.03807 | | KTo, rainbow, nine or lower | 55.950 | 59.739 | -3.789 | 0.93657 | | KTo, two-tone | 57.790 | 59.739 | -1.949 | 0.96737 | | KTo, monotone | 56.852 | 59.739 | -2.887 | 0.95167 | | KTo, paired | 62.522 | 59.739 | +2.783 | 1.04659 | | J9s, all flops | 40.567 | 55.662 | -15.095 | 0.72881 | | J9s, rainbow, ten or higher | 37.987 | 55.662 | -17.675 | 0.68246 | | J9s, rainbow, nine or lower | 44.050 | 55.662 | -11.612 | 0.79138 | | J9s, two-tone | 42.210 | 55.662 | -13.452 | 0.75833 | | J9s, monotone | 43.148 | 55.662 | -12.514 | 0.77518 | | J9s, paired | 37.478 | 55.662 | -18.184 | 0.67331 | ## Does a shared suit matter? When the hands share a suit, KTo holds 59.95%; when they do not, it holds 58.92%. KTo does better with a shared suit, by 1.03 points. **KTo against J9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | KTo wins | Ties | J9s wins | KTo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 59.597 | 0.706 | 39.697 | 59.950 | | No shared suit | 24 | 50.00 | 58.604 | 0.626 | 40.770 | 58.917 | ## How often this matchup comes up This page stands for 48 specific-card matchups (0.0030% of 1,624,350 ordered deals), or 96 once you count the seats both ways (0.0059%). ## A worked example With $100 from each side, the $200 pot is split on average as $118.86 for KTo and $81.14 for J9s; the first side gains $18.86 per all-in and the second gives up $18.86. Think in thousands: about 591 of 1,000 go to KTo, about 402 go to J9s, and about 7 are chopped. ## The same matchup from the other side Read it from the other side: J9s against KTo is the same matchup with the numbers swapped, so J9s holds 40.57% and KTo holds 59.43%. That address sends you back to this page. ## Keep exploring Try KsTh against Jd9d 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 KsTh against Jd9d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=KsTh&p2=Jd9d) - [KTo combos](https://georgelipoker.com/combos/kto.md) - [J9s combos](https://georgelipoker.com/combos/j9s.md) - [KTo vs JTo](https://georgelipoker.com/equity/kto-vs-jto.md) - [KTo vs T9s](https://georgelipoker.com/equity/kto-vs-t9s.md) - [QTs vs J9s](https://georgelipoker.com/equity/qts-vs-j9s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 48 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [KTo vs JTo: preflop equity](https://georgelipoker.com/equity/kto-vs-jto.md) - [KTo vs T9s: preflop equity](https://georgelipoker.com/equity/kto-vs-t9s.md) - [QTs vs J9s: preflop equity](https://georgelipoker.com/equity/qts-vs-j9s.md)