--- title: "A5s vs KTo: preflop equity" url: "https://georgelipoker.com/equity/a5s-vs-kto.md" canonical_url: "https://georgelipoker.com/equity/a5s-vs-kto" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, A5s or KTo? A5s leads 59.55% to 40.45% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a5s-vs-qts.md", "https://georgelipoker.com/equity/a5s-vs-a4s.md", "https://georgelipoker.com/equity/a6s-vs-kto.md"] --- # A5s vs KTo: preflop equity Who is ahead, A5s or KTo? A5s leads 59.55% to 40.45% before the flop, counted exactly over every board, with the split by flop type and suit. In equity, A5s against KTo stands at 59.55% to 40.45%, a gap of 19.10 points. ## A5s against KTo: the numbers **Exact preflop results for A5s against KTo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A5s | 59.307 | 0.479 | 40.214 | 59.546 | | KTo | 40.214 | 0.479 | 59.307 | 40.454 | The first hand is a suited hand; the second is an offsuit hand. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. A 19.10 point lead is real, and KTo still takes about 402 of every 1,000 deals outright. Split pots make up 0.48% of the boards, and both equity figures count them as half a win each. The hand ranking puts A5s at 30 and KTo at 33 out of 169 starting hands. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A5s | 48,745,000 | 394,000 | 33,052,000 | | KTo | 33,052,000 | 394,000 | 48,745,000 | 48 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand. **A5s 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) | | --- | --- | --- | --- | --- | | A5s | 1.472 | 1.686 | 2.487 | 0.679 | | KTo | 0.679 | 2.487 | 1.686 | 1.472 | The final column gives the least the pot must offer for each unit called for a call to break even at this equity. ## Who is ahead on which flops Split by what the flop looks like, A5s peaks at 76.13% on low rainbow flops (nine high or lower) and bottoms out at 52.11% on rainbow flops topped by a ten or better. A5s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **A5s against KTo by flop texture, in percent** | Flop | Share of flops | A5s wins | Ties | KTo wins | A5s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.988 | 52.022 | 0.169 | 47.809 | 52.107 | | Rainbow, nine or lower | 7.042 | 75.683 | 0.884 | 23.433 | 76.125 | | Two-tone | 46.667 | 59.041 | 0.307 | 40.652 | 59.195 | | Monotone | 5.212 | 55.072 | 2.400 | 42.528 | 56.272 | | Paired | 17.091 | 64.799 | 0.633 | 34.568 | 65.115 | Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank. ## Compared with a random hand Each hand has a baseline against a random hand: 59.92% for A5s, 59.74% for KTo. Here the change is -0.37 and -19.29 points. **A5s 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 | | --- | --- | --- | --- | --- | | A5s, all flops | 59.546 | 59.923 | -0.377 | 0.99371 | | A5s, rainbow, ten or higher | 52.107 | 59.923 | -7.816 | 0.86957 | | A5s, rainbow, nine or lower | 76.125 | 59.923 | +16.202 | 1.27038 | | A5s, two-tone | 59.195 | 59.923 | -0.728 | 0.98785 | | A5s, monotone | 56.272 | 59.923 | -3.651 | 0.93907 | | A5s, paired | 65.115 | 59.923 | +5.192 | 1.08664 | | KTo, all flops | 40.454 | 59.739 | -19.285 | 0.67718 | | KTo, rainbow, ten or higher | 47.893 | 59.739 | -11.846 | 0.80170 | | KTo, rainbow, nine or lower | 23.875 | 59.739 | -35.864 | 0.39966 | | KTo, two-tone | 40.805 | 59.739 | -18.934 | 0.68305 | | KTo, monotone | 43.728 | 59.739 | -16.011 | 0.73198 | | KTo, paired | 34.885 | 59.739 | -24.854 | 0.58396 | ## Does a shared suit matter? Does suit overlap move the numbers? A5s has 59.21% when the hands share a suit and 59.89% when they do not. A5s does better with no shared suit, by 0.68 points. **A5s against KTo by suit overlap, in percent** | Deals | Specific deals | Share of deals | A5s wins | Ties | KTo wins | A5s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 58.946 | 0.521 | 40.533 | 59.207 | | No shared suit | 24 | 50.00 | 59.667 | 0.437 | 39.896 | 59.886 | ## How often this matchup comes up Out of 1,624,350 ways to deal two seats two cards each, 48 are A5s in one seat and KTo in the other (0.0030%); with the seats swapped too, 96 (0.0059%). ## A worked example Take a $200 pot built from $100 each. A5s' equity of 59.55% is worth $119.10, a $19.10 edge, and KTo's 40.45% is worth $80.90, which is $19.10 under its stake. A thousand deals look like this: A5s takes 593, KTo takes 402, 5 are ties. ## The same matchup from the other side KTo against A5s adds nothing new: it is 40.45% for KTo and 59.55% for A5s, the same figures reversed. ## Keep exploring Try As5s against KhTd 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 As5s against KhTd in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As5s&p2=KhTd) - [A5s combos](https://georgelipoker.com/combos/a5s.md) - [KTo combos](https://georgelipoker.com/combos/kto.md) - [A5s vs QTs](https://georgelipoker.com/equity/a5s-vs-qts.md) - [A5s vs A4s](https://georgelipoker.com/equity/a5s-vs-a4s.md) - [A6s vs KTo](https://georgelipoker.com/equity/a6s-vs-kto.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed This is an exact count with no sampling. For the 48 ways to deal one A5s and one KTo without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [A5s vs QTs: preflop equity](https://georgelipoker.com/equity/a5s-vs-qts.md) - [A5s vs A4s: preflop equity](https://georgelipoker.com/equity/a5s-vs-a4s.md) - [A6s vs KTo: preflop equity](https://georgelipoker.com/equity/a6s-vs-kto.md)