--- title: "A8s vs KTo: preflop equity" url: "https://georgelipoker.com/equity/a8s-vs-kto.md" canonical_url: "https://georgelipoker.com/equity/a8s-vs-kto" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, A8s or KTo? A8s leads 59.63% to 40.37% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a8s-vs-qts.md", "https://georgelipoker.com/equity/a8s-vs-a4s.md", "https://georgelipoker.com/equity/kts-vs-kto.md"] --- # A8s vs KTo: preflop equity Who is ahead, A8s or KTo? A8s leads 59.63% to 40.37% before the flop, counted exactly over every board, with the split by flop type and suit. If A8s and KTo get all the chips in before the flop, A8s owns 59.63% of the pot in the long run and KTo owns 40.37%. ## A8s against KTo: the numbers **Exact preflop results for A8s against KTo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A8s | 59.410 | 0.440 | 40.150 | 59.630 | | KTo | 40.150 | 0.440 | 59.410 | 40.370 | We compare a suited hand with an offsuit hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. A8s is ahead, but KTo is far from dead: it takes 402 of every 1,000 deals outright. Ties are part of the picture: 0.44% of boards end in a split pot, and each side counts that as half a win. Among the 169 starting hands, A8s is number 21 and KTo is number 33 by strength against a random hand. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A8s | 48,829,000 | 362,000 | 33,000,000 | | KTo | 33,000,000 | 362,000 | 48,829,000 | The total is exact: 48 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. **A8s 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) | | --- | --- | --- | --- | --- | | A8s | 1.477 | 1.683 | 2.491 | 0.677 | | KTo | 0.677 | 2.491 | 1.683 | 1.477 | In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity. ## Who is ahead on which flops The flop changes the picture. A8s does best on low rainbow flops (nine high or lower), at 76.26%, and worst on rainbow flops topped by a ten or better, at 52.21%. A8s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **A8s against KTo by flop texture, in percent** | Flop | Share of flops | A8s wins | Ties | KTo wins | A8s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.988 | 52.127 | 0.156 | 47.717 | 52.205 | | Rainbow, nine or lower | 7.042 | 75.904 | 0.719 | 23.377 | 76.264 | | Two-tone | 46.667 | 59.138 | 0.262 | 40.600 | 59.269 | | Monotone | 5.212 | 55.115 | 2.364 | 42.521 | 56.297 | | Paired | 17.091 | 64.890 | 0.620 | 34.490 | 65.200 | 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 A8s from 61.94% by -2.31 points and KTo from 59.74% by -19.37 points. **A8s 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 | | --- | --- | --- | --- | --- | | A8s, all flops | 59.630 | 61.944 | -2.314 | 0.96264 | | A8s, rainbow, ten or higher | 52.205 | 61.944 | -9.739 | 0.84278 | | A8s, rainbow, nine or lower | 76.264 | 61.944 | +14.320 | 1.23118 | | A8s, two-tone | 59.269 | 61.944 | -2.675 | 0.95682 | | A8s, monotone | 56.297 | 61.944 | -5.647 | 0.90884 | | A8s, paired | 65.200 | 61.944 | +3.256 | 1.05256 | | KTo, all flops | 40.370 | 59.739 | -19.369 | 0.67577 | | KTo, rainbow, ten or higher | 47.795 | 59.739 | -11.944 | 0.80006 | | KTo, rainbow, nine or lower | 23.736 | 59.739 | -36.003 | 0.39733 | | KTo, two-tone | 40.731 | 59.739 | -19.008 | 0.68182 | | KTo, monotone | 43.703 | 59.739 | -16.036 | 0.73157 | | KTo, paired | 34.800 | 59.739 | -24.939 | 0.58253 | ## Does a shared suit matter? The suit split reads 59.29% for A8s with a shared suit and 59.97% without one. A8s does better with no shared suit, by 0.68 points. **A8s against KTo by suit overlap, in percent** | Deals | Specific deals | Share of deals | A8s wins | Ties | KTo wins | A8s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 59.051 | 0.480 | 40.469 | 59.291 | | No shared suit | 24 | 50.00 | 59.769 | 0.399 | 39.832 | 59.968 | ## How often this matchup comes up How often does it happen? 48 of the 1,624,350 ordered deals (0.0030%) are A8s against KTo, and 96 (0.0059%) if either hand may sit in either seat. ## A worked example Put $100 each into a $200 pot and deal every board once: A8s averages $119.26 back, ahead of its $100 by $19.26, while KTo averages $80.74, short of its $100 by $19.26. Run 1,000 deals and the tally comes out near 594 for A8s, 402 for KTo and 4 ties. ## The same matchup from the other side One page covers both views. From KTo's side the equity is 40.37%, and from A8s' side it is 59.63%. ## Keep exploring Open the calculator with As8s against KhTd already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking. - [Open As8s against KhTd in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As8s&p2=KhTd) - [A8s combos](https://georgelipoker.com/combos/a8s.md) - [KTo combos](https://georgelipoker.com/combos/kto.md) - [A8s vs QTs](https://georgelipoker.com/equity/a8s-vs-qts.md) - [A8s vs A4s](https://georgelipoker.com/equity/a8s-vs-a4s.md) - [KTs vs KTo](https://georgelipoker.com/equity/kts-vs-kto.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 - [A8s vs QTs: preflop equity](https://georgelipoker.com/equity/a8s-vs-qts.md) - [A8s vs A4s: preflop equity](https://georgelipoker.com/equity/a8s-vs-a4s.md) - [KTs vs KTo: preflop equity](https://georgelipoker.com/equity/kts-vs-kto.md)