--- title: "A6s vs K9o: preflop equity" url: "https://georgelipoker.com/equity/a6s-vs-k9o.md" canonical_url: "https://georgelipoker.com/equity/a6s-vs-k9o" last_updated: "2026-10-23" type: "reference" summary: "A6s is a big favorite over K9o before the flop: 61.09% to 38.91% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a6s-vs-q9s.md", "https://georgelipoker.com/equity/a6s-vs-jts.md", "https://georgelipoker.com/equity/kto-vs-k9o.md"] --- # A6s vs K9o: preflop equity A6s is a big favorite over K9o before the flop: 61.09% to 38.91% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, A6s is ahead of K9o by 22.18 points of equity, 61.09% to 38.91%. ## A6s against K9o: the numbers **Exact preflop results for A6s against K9o, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A6s | 60.876 | 0.437 | 38.687 | 61.094 | | K9o | 38.687 | 0.437 | 60.876 | 38.906 | A6s and K9o are a suited hand and an offsuit hand, in that order. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. A 22.18 point lead is real, and K9o still takes about 387 of every 1,000 deals outright. The tie share is 0.44%: on those boards the pot is chopped and neither hand wins outright. In the ranking of all 169 starting hands, A6s is number 31 and K9o is number 40. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A6s | 50,034,000 | 359,000 | 31,797,000 | | K9o | 31,797,000 | 359,000 | 50,034,000 | 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. **A6s against K9o read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | A6s | 1.570 | 1.643 | 2.585 | 0.637 | | K9o | 0.637 | 2.585 | 1.643 | 1.570 | 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 Break the boards down by their first three cards and A6s is strongest on paired flops (65.95%) and weakest on monotone flops (57.55%). A6s stays ahead on all five textures. **A6s against K9o by flop texture, in percent** | Flop | Share of flops | A6s wins | Ties | K9o wins | A6s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.665 | 59.372 | 0.138 | 40.490 | 59.441 | | Rainbow, nine or lower | 6.365 | 58.562 | 0.811 | 40.627 | 58.967 | | Two-tone | 46.667 | 60.747 | 0.256 | 38.997 | 60.875 | | Monotone | 5.212 | 56.367 | 2.362 | 41.271 | 57.548 | | Paired | 17.091 | 65.638 | 0.632 | 33.730 | 65.954 | 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 Compared with a random opponent, this matchup shifts A6s from 59.91% by +1.18 points and K9o from 57.81% by -18.90 points. **A6s and K9o 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 | | --- | --- | --- | --- | --- | | A6s, all flops | 61.094 | 59.906 | +1.188 | 1.01983 | | A6s, rainbow, ten or higher | 59.441 | 59.906 | -0.465 | 0.99224 | | A6s, rainbow, nine or lower | 58.967 | 59.906 | -0.939 | 0.98433 | | A6s, two-tone | 60.875 | 59.906 | +0.969 | 1.01618 | | A6s, monotone | 57.548 | 59.906 | -2.358 | 0.96064 | | A6s, paired | 65.954 | 59.906 | +6.048 | 1.10096 | | K9o, all flops | 38.906 | 57.812 | -18.906 | 0.67297 | | K9o, rainbow, ten or higher | 40.559 | 57.812 | -17.253 | 0.70157 | | K9o, rainbow, nine or lower | 41.033 | 57.812 | -16.779 | 0.70977 | | K9o, two-tone | 39.125 | 57.812 | -18.687 | 0.67676 | | K9o, monotone | 42.452 | 57.812 | -15.360 | 0.73431 | | K9o, paired | 34.046 | 57.812 | -23.766 | 0.58891 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common A6s has 60.77% equity, and with none in common it has 61.42%. A6s does better with no shared suit, by 0.65 points. **A6s against K9o by suit overlap, in percent** | Deals | Specific deals | Share of deals | A6s wins | Ties | K9o wins | A6s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 60.532 | 0.478 | 38.990 | 60.771 | | No shared suit | 24 | 50.00 | 61.221 | 0.395 | 38.384 | 61.418 | ## How often this matchup comes up The class pair covers 48 combinations of specific cards in a fixed seat order, 0.0030% of 1,624,350, and 96 (0.0059%) in either order. ## A worked example Take a $200 pot built from $100 each. A6s' equity of 61.09% is worth $122.18, a $22.18 edge, and K9o's 38.91% is worth $77.82, which is $22.18 under its stake. Over a long run, 1,000 deals split into about 609 for A6s, 387 for K9o and 4 tied. ## The same matchup from the other side K9o against A6s adds nothing new: it is 38.91% for K9o and 61.09% for A6s, the same figures reversed. ## Keep exploring As6s against Kh9d 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 As6s against Kh9d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As6s&p2=Kh9d) - [A6s combos](https://georgelipoker.com/combos/a6s.md) - [K9o combos](https://georgelipoker.com/combos/k9o.md) - [A6s vs Q9s](https://georgelipoker.com/equity/a6s-vs-q9s.md) - [A6s vs JTs](https://georgelipoker.com/equity/a6s-vs-jts.md) - [KTo vs K9o](https://georgelipoker.com/equity/kto-vs-k9o.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Method: exact enumeration. The 48 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 - [A6s vs Q9s: preflop equity](https://georgelipoker.com/equity/a6s-vs-q9s.md) - [A6s vs JTs: preflop equity](https://georgelipoker.com/equity/a6s-vs-jts.md) - [KTo vs K9o: preflop equity](https://georgelipoker.com/equity/kto-vs-k9o.md)