--- title: "66 vs KTo: preflop equity" url: "https://georgelipoker.com/equity/66-vs-kto.md" canonical_url: "https://georgelipoker.com/equity/66-vs-kto" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, 66 or KTo? 66 leads 53.14% to 46.86% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/66-vs-qts.md", "https://georgelipoker.com/equity/66-vs-a4s.md", "https://georgelipoker.com/equity/a9s-vs-kto.md"] --- # 66 vs KTo: preflop equity Who is ahead, 66 or KTo? 66 leads 53.14% to 46.86% before the flop, counted exactly over every board, with the split by flop type and suit. In equity, 66 against KTo stands at 53.14% to 46.86%, a gap of 6.28 points. ## 66 against KTo: the numbers **Exact preflop results for 66 against KTo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 66 | 52.915 | 0.452 | 46.633 | 53.141 | | KTo | 46.633 | 0.452 | 52.915 | 46.859 | Here a pocket pair (66) meets an offsuit hand (KTo). One hand holds a pair and the other holds two cards that both outrank it, which keeps the equity closer than most people expect. That is a slim edge: neither hand is far ahead. The tie share is 0.45%: on those boards the pot is chopped and neither hand wins outright. Among the 169 starting hands, 66 is number 17 and KTo is number 33 by strength against a random hand. **Boards behind the percentages: 123,285,888 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 66 | 65,237,000 | 557,000 | 57,492,000 | | KTo | 57,492,000 | 557,000 | 65,237,000 | The total is exact: 72 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand. **66 against KTo read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | 66 | 1.134 | 1.890 | 2.144 | 0.882 | | KTo | 0.882 | 2.144 | 1.890 | 1.134 | 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 Across the five flop textures 66's equity moves by 34.42 points, from 45.58% on rainbow flops topped by a ten or better to 80.00% on low rainbow flops (nine high or lower). On rainbow flops topped by a ten or better the numbers flip and KTo is the one ahead. **66 against KTo by flop texture, in percent** | Flop | Share of flops | 66 wins | Ties | KTo wins | 66 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 45.465 | 0.231 | 54.304 | 45.580 | | Rainbow, nine or lower | 6.314 | 79.698 | 0.613 | 19.689 | 80.004 | | Two-tone | 46.485 | 52.162 | 0.298 | 47.540 | 52.311 | | Monotone | 5.151 | 49.289 | 1.756 | 48.955 | 50.167 | | Paired | 17.333 | 56.879 | 0.737 | 42.384 | 57.248 | 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 Against one random hand instead, 66 holds 63.29% and KTo holds 59.74%. Facing each other changes that by -10.15 points for 66 and -12.88 points for KTo. **66 and KTo 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 | | --- | --- | --- | --- | --- | | 66, all flops | 53.141 | 63.285 | -10.144 | 0.83971 | | 66, rainbow, ten or higher | 45.580 | 63.285 | -17.705 | 0.72023 | | 66, rainbow, nine or lower | 80.004 | 63.285 | +16.719 | 1.26419 | | 66, two-tone | 52.311 | 63.285 | -10.974 | 0.82659 | | 66, monotone | 50.167 | 63.285 | -13.118 | 0.79272 | | 66, paired | 57.248 | 63.285 | -6.037 | 0.90461 | | KTo, all flops | 46.859 | 59.739 | -12.880 | 0.78440 | | KTo, rainbow, ten or higher | 54.420 | 59.739 | -5.319 | 0.91096 | | KTo, rainbow, nine or lower | 19.996 | 59.739 | -39.743 | 0.33472 | | KTo, two-tone | 47.689 | 59.739 | -12.050 | 0.79829 | | KTo, monotone | 49.833 | 59.739 | -9.906 | 0.83418 | | KTo, paired | 42.752 | 59.739 | -16.987 | 0.71565 | ## Does a shared suit matter? Of the deals of this matchup, 60 share a suit (66 at 53.06%) and 12 do not (53.57%). 66 does better with no shared suit, by 0.51 points. **66 against KTo by suit overlap, in percent** | Deals | Specific deals | Share of deals | 66 wins | Ties | KTo wins | 66 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 60 | 83.33 | 52.822 | 0.468 | 46.710 | 53.056 | | No shared suit | 12 | 16.67 | 53.381 | 0.375 | 46.244 | 53.569 | ## How often this matchup comes up 66 against KTo is made up of 72 specific-card matchups in one seat order, 0.0044% of the 1,624,350 ordered deals, and 144 counting both seat orders, 0.0089%. ## A worked example To see what the equity is worth, imagine $100 each in a $200 pot. 66 is worth $106.28 on average (+$6.28); KTo is worth $93.72 (-$6.28). Out of 1,000 deals you should see around 529 outright wins for 66, 466 for KTo, and 5 split pots. ## The same matchup from the other side Read it from the other side: KTo against 66 is the same matchup with the numbers swapped, so KTo holds 46.86% and 66 holds 53.14%. That address sends you back to this page. ## Keep exploring 6s6h against KdTc is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength. - [Open 6s6h against KdTc in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=6s6h&p2=KdTc) - [66 combos](https://georgelipoker.com/combos/66.md) - [KTo combos](https://georgelipoker.com/combos/kto.md) - [66 vs QTs](https://georgelipoker.com/equity/66-vs-qts.md) - [66 vs A4s](https://georgelipoker.com/equity/66-vs-a4s.md) - [A9s vs KTo](https://georgelipoker.com/equity/a9s-vs-kto.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Method: exact enumeration. The 72 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 - [66 vs QTs: preflop equity](https://georgelipoker.com/equity/66-vs-qts.md) - [66 vs A4s: preflop equity](https://georgelipoker.com/equity/66-vs-a4s.md) - [A9s vs KTo: preflop equity](https://georgelipoker.com/equity/a9s-vs-kto.md)