--- title: "KQs vs A2s: preflop equity" url: "https://georgelipoker.com/equity/kqs-vs-a2s.md" canonical_url: "https://georgelipoker.com/equity/kqs-vs-a2s" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, KQs or A2s? A2s leads 57.23% to 42.77% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/kqs-vs-qto.md", "https://georgelipoker.com/equity/kqs-vs-44.md", "https://georgelipoker.com/equity/66-vs-a2s.md"] --- # KQs vs A2s: preflop equity Who is ahead, KQs or A2s? A2s leads 57.23% to 42.77% before the flop, counted exactly over every board, with the split by flop type and suit. Over all 1,712,304 boards that can follow this deal, A2s finishes with 57.23% of the pot and KQs with 42.77%. ## KQs against A2s: the numbers **Exact preflop results for KQs against A2s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | KQs | 42.492 | 0.565 | 56.943 | 42.774 | | A2s | 56.943 | 0.565 | 42.492 | 57.226 | Here suited hands face each other, KQs on one side and A2s on the other. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. The lead is steady rather than large, and the flop still has plenty of say in who wins. Ties are 0.57% of the outcomes here; each tied board gives both hands half the pot. In the ranking of all 169 starting hands, KQs is number 16 and A2s is number 46. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | KQs | 11,641,000 | 155,000 | 15,601,000 | | A2s | 15,601,000 | 155,000 | 11,641,000 | The board total is exact, 16 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **KQs against A2s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | KQs | 0.747 | 2.353 | 1.756 | 1.338 | | A2s | 1.338 | 1.756 | 2.353 | 0.747 | 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, A2s peaks at 75.28% on low rainbow flops (nine high or lower) and bottoms out at 51.04% on rainbow flops topped by a ten or better. A2s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **KQs against A2s by flop texture, in percent** | Flop | Share of flops | KQs wins | Ties | A2s wins | KQs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.867 | 48.903 | 0.117 | 50.980 | 48.962 | | Rainbow, nine or lower | 7.042 | 24.073 | 1.285 | 74.642 | 24.716 | | Two-tone | 46.727 | 43.793 | 0.333 | 55.874 | 43.959 | | Monotone | 5.273 | 43.660 | 3.457 | 52.883 | 45.389 | | Paired | 17.091 | 37.209 | 0.637 | 62.154 | 37.528 | Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank. ## Compared with a random hand Each hand has a baseline against a random hand: 63.40% for KQs, 57.38% for A2s. Here the change is -20.63 and -0.15 points. **KQs and A2s 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 | | --- | --- | --- | --- | --- | | KQs, all flops | 42.774 | 63.400 | -20.626 | 0.67467 | | KQs, rainbow, ten or higher | 48.962 | 63.400 | -14.438 | 0.77227 | | KQs, rainbow, nine or lower | 24.716 | 63.400 | -38.684 | 0.38984 | | KQs, two-tone | 43.959 | 63.400 | -19.441 | 0.69336 | | KQs, monotone | 45.389 | 63.400 | -18.011 | 0.71591 | | KQs, paired | 37.528 | 63.400 | -25.872 | 0.59192 | | A2s, all flops | 57.226 | 57.379 | -0.153 | 0.99733 | | A2s, rainbow, ten or higher | 51.038 | 57.379 | -6.341 | 0.88949 | | A2s, rainbow, nine or lower | 75.284 | 57.379 | +17.905 | 1.31205 | | A2s, two-tone | 56.041 | 57.379 | -1.338 | 0.97668 | | A2s, monotone | 54.611 | 57.379 | -2.768 | 0.95176 | | A2s, paired | 62.472 | 57.379 | +5.093 | 1.08876 | ## Does a shared suit matter? The suit split reads 59.14% for A2s with a shared suit and 56.59% without one. A2s does better with a shared suit, by 2.55 points. **KQs against A2s by suit overlap, in percent** | Deals | Specific deals | Share of deals | KQs wins | Ties | A2s wins | KQs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 40.533 | 0.649 | 58.818 | 40.858 | | No shared suit | 12 | 75.00 | 43.144 | 0.537 | 56.319 | 43.413 | ## How often this matchup comes up Out of 1,624,350 ways to deal two seats two cards each, 16 are KQs in one seat and A2s in the other (0.0010%); with the seats swapped too, 32 (0.0020%). ## A worked example Worked example: both players commit $100, so $200 sits in the middle. Over every board, A2s' average share is $114.46 (a gain of $14.46) and KQs' is $85.54 (a loss of $14.46). Over a long run, 1,000 deals split into about 569 for A2s, 425 for KQs and 6 tied. ## The same matchup from the other side One page covers both views. From A2s' side the equity is 57.23%, and from KQs' side it is 42.77%. ## Keep exploring KsQs against Ah2h 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 KsQs against Ah2h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=KsQs&p2=Ah2h) - [KQs combos](https://georgelipoker.com/combos/kqs.md) - [A2s combos](https://georgelipoker.com/combos/a2s.md) - [KQs vs QTo](https://georgelipoker.com/equity/kqs-vs-qto.md) - [KQs vs 44](https://georgelipoker.com/equity/kqs-vs-44.md) - [66 vs A2s](https://georgelipoker.com/equity/66-vs-a2s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 16 deals of KQs against A2s fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [KQs vs QTo: preflop equity](https://georgelipoker.com/equity/kqs-vs-qto.md) - [KQs vs 44: preflop equity](https://georgelipoker.com/equity/kqs-vs-44.md) - [66 vs A2s: preflop equity](https://georgelipoker.com/equity/66-vs-a2s.md)