--- title: "K9s vs 64s: preflop equity" url: "https://georgelipoker.com/equity/k9s-vs-64s.md" canonical_url: "https://georgelipoker.com/equity/k9s-vs-64s" last_updated: "2026-10-23" type: "reference" summary: "K9s is a big favorite over 64s before the flop: 62.91% to 37.09% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/k9s-vs-53s.md", "https://georgelipoker.com/equity/k9s-vs-43s.md", "https://georgelipoker.com/equity/a5s-vs-64s.md"] --- # K9s vs 64s: preflop equity K9s is a big favorite over 64s before the flop: 62.91% to 37.09% equity, counted exactly over every board, with the split by flop type and suit. In equity, K9s against 64s stands at 62.91% to 37.09%, a gap of 25.82 points. ## K9s against 64s: the numbers **Exact preflop results for K9s against 64s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | K9s | 62.550 | 0.724 | 36.726 | 62.912 | | 64s | 36.726 | 0.724 | 62.550 | 37.088 | K9s and 64s are both suited hands. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits. K9s is ahead, but 64s is far from dead: it takes 367 of every 1,000 deals outright. 0.72% of boards are ties, so the equity of each hand is its win rate plus half of that. Among the 169 starting hands, K9s is number 29 and 64s is number 138 by strength against a random hand. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | K9s | 17,137,000 | 198,000 | 10,062,000 | | 64s | 10,062,000 | 198,000 | 17,137,000 | 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 64s 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 | 1.696 | 1.599 | 2.723 | 0.590 | | 64s | 0.590 | 2.723 | 1.599 | 1.696 | The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call. ## Who is ahead on which flops If you know the kind of flop that came, the numbers shift: K9s holds 67.02% on rainbow flops topped by a ten or better and 46.08% on low rainbow flops (nine high or lower). K9s is the favorite overall but falls behind on low rainbow flops (nine high or lower). **K9s against 64s by flop texture, in percent** | Flop | Share of flops | K9s wins | Ties | 64s wins | K9s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.220 | 66.854 | 0.326 | 32.820 | 67.017 | | Rainbow, nine or lower | 5.689 | 45.714 | 0.726 | 53.560 | 46.077 | | Two-tone | 46.727 | 62.060 | 0.366 | 37.574 | 62.243 | | Monotone | 5.273 | 58.365 | 3.532 | 38.103 | 60.131 | | Paired | 17.091 | 64.436 | 1.421 | 34.143 | 65.147 | A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank. ## Compared with a random hand Compared with a random opponent, this matchup shifts K9s from 59.99% by +2.92 points and 64s from 41.33% by -4.24 points. **K9s and 64s 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 | 62.912 | 59.988 | +2.924 | 1.04874 | | K9s, rainbow, ten or higher | 67.017 | 59.988 | +7.029 | 1.11717 | | K9s, rainbow, nine or lower | 46.077 | 59.988 | -13.911 | 0.76810 | | K9s, two-tone | 62.243 | 59.988 | +2.255 | 1.03759 | | K9s, monotone | 60.131 | 59.988 | +0.143 | 1.00238 | | K9s, paired | 65.147 | 59.988 | +5.159 | 1.08600 | | 64s, all flops | 37.088 | 41.333 | -4.245 | 0.89730 | | 64s, rainbow, ten or higher | 32.983 | 41.333 | -8.350 | 0.79798 | | 64s, rainbow, nine or lower | 53.923 | 41.333 | +12.590 | 1.30460 | | 64s, two-tone | 37.757 | 41.333 | -3.576 | 0.91348 | | 64s, monotone | 39.869 | 41.333 | -1.464 | 0.96458 | | 64s, paired | 34.853 | 41.333 | -6.480 | 0.84322 | ## Does a shared suit matter? Of the deals of this matchup, 4 share a suit (K9s at 65.21%) and 12 do not (62.15%). K9s does better with a shared suit, by 3.06 points. **K9s against 64s by suit overlap, in percent** | Deals | Specific deals | Share of deals | K9s wins | Ties | 64s wins | K9s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 64.806 | 0.813 | 34.381 | 65.213 | | No shared suit | 12 | 75.00 | 61.798 | 0.694 | 37.508 | 62.145 | ## How often this matchup comes up How often does it happen? 16 of the 1,624,350 ordered deals (0.0010%) are K9s against 64s, and 32 (0.0020%) if either hand may sit in either seat. ## A worked example Say each player puts $100 in before the flop, making a $200 pot. On average K9s takes back $125.82 of it, which is $25.82 more than it put in, and 64s takes back $74.18, $25.82 less than it put in. Over a long run, 1,000 deals split into about 626 for K9s, 367 for 64s and 7 tied. ## The same matchup from the other side Swap the hands and you get 64s with 37.09% against K9s with 62.91%. We keep one page per matchup, with the better-ranked hand first. ## Keep exploring Try Ks9s against 6h4h 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 Ks9s against 6h4h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=Ks9s&p2=6h4h) - [K9s combos](https://georgelipoker.com/combos/k9s.md) - [64s combos](https://georgelipoker.com/combos/64s.md) - [K9s vs 53s](https://georgelipoker.com/equity/k9s-vs-53s.md) - [K9s vs 43s](https://georgelipoker.com/equity/k9s-vs-43s.md) - [A5s vs 64s](https://georgelipoker.com/equity/a5s-vs-64s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Method: exact enumeration. The 16 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [K9s vs 53s: preflop equity](https://georgelipoker.com/equity/k9s-vs-53s.md) - [K9s vs 43s: preflop equity](https://georgelipoker.com/equity/k9s-vs-43s.md) - [A5s vs 64s: preflop equity](https://georgelipoker.com/equity/a5s-vs-64s.md)