--- title: "99 vs KJs: preflop equity" url: "https://georgelipoker.com/equity/99-vs-kjs.md" canonical_url: "https://georgelipoker.com/equity/99-vs-kjs" last_updated: "2026-10-23" type: "reference" summary: "99 vs KJs is close to a coin flip before the flop: 52.63% to 47.37% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/99-vs-a8s.md", "https://georgelipoker.com/equity/99-vs-kts.md", "https://georgelipoker.com/equity/88-vs-kjs.md"] --- # 99 vs KJs: preflop equity 99 vs KJs is close to a coin flip before the flop: 52.63% to 47.37% equity, counted exactly over every board, with the split by flop type and suit. Dealt all in against each other, 99 takes 52.63% of the pot on average and KJs takes the other 47.37%. ## 99 against KJs: the numbers **Exact preflop results for 99 against KJs, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 99 | 52.430 | 0.409 | 47.161 | 52.634 | | KJs | 47.161 | 0.409 | 52.430 | 47.366 | Here a pocket pair (99) meets a suited hand (KJs). A pair against two higher cards is the classic race: the pair is usually a small favorite or close to even, and each overcard that pairs is a way to take the lead. 99 leads by less than 6 points of equity, so the result of any one deal is close to a toss-up. The tie share is 0.41%: on those boards the pot is chopped and neither hand wins outright. For context, 99 sits at number 6 of 169 starting hands and KJs at number 20 when each is run against a random hand. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 99 | 21,546,000 | 168,000 | 19,381,000 | | KJs | 19,381,000 | 168,000 | 21,546,000 | The board total is exact, 24 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **99 against KJs read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | 99 | 1.111 | 1.907 | 2.120 | 0.900 | | KJs | 0.900 | 2.120 | 1.907 | 1.111 | 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 Low rainbow flops (nine high or lower) are the best for 99 (77.95%); rainbow flops topped by a ten or better are the worst (46.27%). The lead reverses on rainbow flops topped by a ten or better: there KJs is the favorite even though 99 is ahead overall. **99 against KJs by flop texture, in percent** | Flop | Share of flops | 99 wins | Ties | KJs wins | 99 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 46.193 | 0.156 | 53.651 | 46.271 | | Rainbow, nine or lower | 6.314 | 77.447 | 0.995 | 21.558 | 77.945 | | Two-tone | 46.545 | 50.340 | 0.300 | 49.360 | 50.490 | | Monotone | 5.212 | 50.268 | 2.390 | 47.342 | 51.463 | | Paired | 17.334 | 58.428 | 0.253 | 41.319 | 58.555 | 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 Relative to a random opponent, 99 changes by -19.43 points (baseline 72.06%) and KJs by -15.20 points (baseline 62.57%). **99 and KJs 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 | | --- | --- | --- | --- | --- | | 99, all flops | 52.634 | 72.057 | -19.423 | 0.73045 | | 99, rainbow, ten or higher | 46.271 | 72.057 | -25.786 | 0.64214 | | 99, rainbow, nine or lower | 77.945 | 72.057 | +5.888 | 1.08171 | | 99, two-tone | 50.490 | 72.057 | -21.567 | 0.70070 | | 99, monotone | 51.463 | 72.057 | -20.594 | 0.71420 | | 99, paired | 58.555 | 72.057 | -13.502 | 0.81262 | | KJs, all flops | 47.366 | 62.567 | -15.201 | 0.75704 | | KJs, rainbow, ten or higher | 53.729 | 62.567 | -8.838 | 0.85874 | | KJs, rainbow, nine or lower | 22.055 | 62.567 | -40.512 | 0.35250 | | KJs, two-tone | 49.510 | 62.567 | -13.057 | 0.79131 | | KJs, monotone | 48.537 | 62.567 | -14.030 | 0.77576 | | KJs, paired | 41.445 | 62.567 | -21.122 | 0.66241 | ## Does a shared suit matter? When the hands share a suit, 99 holds 52.79%; when they do not, it holds 52.48%. 99 does better with a shared suit, by 0.31 points. **99 against KJs by suit overlap, in percent** | Deals | Specific deals | Share of deals | 99 wins | Ties | KJs wins | 99 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 52.560 | 0.451 | 46.989 | 52.786 | | No shared suit | 12 | 50.00 | 52.299 | 0.367 | 47.334 | 52.483 | ## How often this matchup comes up Counting specific cards, 99 against KJs appears in 24 of the 1,624,350 ordered heads-up deals (0.0015%), and in 48 when the seats are swapped too (0.0030%). ## A worked example To see what the equity is worth, imagine $100 each in a $200 pot. 99 is worth $105.26 on average (+$5.26); KJs is worth $94.74 (-$5.26). Scaled to 1,000 deals, that is roughly 524 wins for 99, 472 for KJs and 4 chopped pots. ## The same matchup from the other side KJs versus 99 is this same page seen from the other hand: 47.37% for KJs, 52.63% for 99. ## Keep exploring Try 9s9h against KdJd 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 9s9h against KdJd in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=9s9h&p2=KdJd) - [99 combos](https://georgelipoker.com/combos/99.md) - [KJs combos](https://georgelipoker.com/combos/kjs.md) - [99 vs A8s](https://georgelipoker.com/equity/99-vs-a8s.md) - [99 vs KTs](https://georgelipoker.com/equity/99-vs-kts.md) - [88 vs KJs](https://georgelipoker.com/equity/88-vs-kjs.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 24 deals of 99 against KJs 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 - [99 vs A8s: preflop equity](https://georgelipoker.com/equity/99-vs-a8s.md) - [99 vs KTs: preflop equity](https://georgelipoker.com/equity/99-vs-kts.md) - [88 vs KJs: preflop equity](https://georgelipoker.com/equity/88-vs-kjs.md)