--- title: "AKo vs 64s: preflop equity" url: "https://georgelipoker.com/equity/ako-vs-64s.md" canonical_url: "https://georgelipoker.com/equity/ako-vs-64s" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, AKo or 64s? AKo leads 59.77% to 40.23% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/ako-vs-53s.md", "https://georgelipoker.com/equity/ako-vs-43s.md", "https://georgelipoker.com/equity/ats-vs-64s.md"] --- # AKo vs 64s: preflop equity Who is ahead, AKo or 64s? AKo leads 59.77% to 40.23% before the flop, counted exactly over every board, with the split by flop type and suit. If AKo and 64s get all the chips in before the flop, AKo owns 59.77% of the pot in the long run and 64s owns 40.23%. ## AKo against 64s: the numbers **Exact preflop results for AKo against 64s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AKo | 59.525 | 0.486 | 39.989 | 59.768 | | 64s | 39.989 | 0.486 | 59.525 | 40.232 | One side is an offsuit hand, the other is a suited hand. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits. A 19.54 point lead is real, and 64s still takes about 400 of every 1,000 deals outright. The tie share is 0.49%: on those boards the pot is chopped and neither hand wins outright. Ranked by equity against a random hand, AKo is number 12 of the 169 starting hands and 64s is number 138. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AKo | 48,924,000 | 399,000 | 32,867,000 | | 64s | 32,867,000 | 399,000 | 48,924,000 | 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. **AKo 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) | | --- | --- | --- | --- | --- | | AKo | 1.486 | 1.680 | 2.501 | 0.673 | | 64s | 0.673 | 2.501 | 1.680 | 1.486 | 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 AKo prefers rainbow flops topped by a ten or better, where it holds 68.08%, and likes low rainbow flops (nine high or lower) least, where it holds 32.38%. On low rainbow flops (nine high or lower) the numbers flip and 64s is the one ahead. **AKo against 64s by flop texture, in percent** | Flop | Share of flops | AKo wins | Ties | 64s wins | AKo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 67.998 | 0.167 | 31.835 | 68.081 | | Rainbow, nine or lower | 6.313 | 31.894 | 0.971 | 67.135 | 32.380 | | Two-tone | 46.667 | 57.883 | 0.311 | 41.806 | 58.039 | | Monotone | 5.212 | 56.837 | 2.436 | 40.727 | 58.055 | | Paired | 17.091 | 62.781 | 0.653 | 36.566 | 63.108 | 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 AKo from 65.32% by -5.55 points and 64s from 41.33% by -1.10 points. **AKo 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 | | --- | --- | --- | --- | --- | | AKo, all flops | 59.768 | 65.320 | -5.552 | 0.91500 | | AKo, rainbow, ten or higher | 68.081 | 65.320 | +2.761 | 1.04227 | | AKo, rainbow, nine or lower | 32.380 | 65.320 | -32.940 | 0.49571 | | AKo, two-tone | 58.039 | 65.320 | -7.281 | 0.88853 | | AKo, monotone | 58.055 | 65.320 | -7.265 | 0.88878 | | AKo, paired | 63.108 | 65.320 | -2.212 | 0.96614 | | 64s, all flops | 40.232 | 41.333 | -1.101 | 0.97336 | | 64s, rainbow, ten or higher | 31.919 | 41.333 | -9.414 | 0.77224 | | 64s, rainbow, nine or lower | 67.620 | 41.333 | +26.287 | 1.63598 | | 64s, two-tone | 41.961 | 41.333 | +0.628 | 1.01519 | | 64s, monotone | 41.945 | 41.333 | +0.612 | 1.01481 | | 64s, paired | 36.892 | 41.333 | -4.441 | 0.89256 | ## Does a shared suit matter? The suit split reads 60.48% for AKo with a shared suit and 59.06% without one. AKo does better with a shared suit, by 1.42 points. **AKo against 64s by suit overlap, in percent** | Deals | Specific deals | Share of deals | AKo wins | Ties | 64s wins | AKo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 60.213 | 0.526 | 39.261 | 60.476 | | No shared suit | 24 | 50.00 | 58.837 | 0.447 | 40.716 | 59.060 | ## How often this matchup comes up You will meet this exact matchup 0.0059% of the time in a random heads-up deal: 96 of 1,624,350, counting either seat order. ## A worked example Say each player puts $100 in before the flop, making a $200 pot. On average AKo takes back $119.54 of it, which is $19.54 more than it put in, and 64s takes back $80.46, $19.54 less than it put in. A thousand deals look like this: AKo takes 595, 64s takes 400, 5 are ties. ## The same matchup from the other side One page covers both views. From 64s' side the equity is 40.23%, and from AKo's side it is 59.77%. ## Keep exploring AsKh against 6d4d 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 AsKh against 6d4d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsKh&p2=6d4d) - [AKo combos](https://georgelipoker.com/combos/ako.md) - [64s combos](https://georgelipoker.com/combos/64s.md) - [AKo vs 53s](https://georgelipoker.com/equity/ako-vs-53s.md) - [AKo vs 43s](https://georgelipoker.com/equity/ako-vs-43s.md) - [ATs vs 64s](https://georgelipoker.com/equity/ats-vs-64s.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 - [AKo vs 53s: preflop equity](https://georgelipoker.com/equity/ako-vs-53s.md) - [AKo vs 43s: preflop equity](https://georgelipoker.com/equity/ako-vs-43s.md) - [ATs vs 64s: preflop equity](https://georgelipoker.com/equity/ats-vs-64s.md)