--- title: "A2s vs 44: preflop equity" url: "https://georgelipoker.com/equity/a2s-vs-44.md" canonical_url: "https://georgelipoker.com/equity/a2s-vs-44" last_updated: "2026-10-23" type: "reference" summary: "44 is a big favorite over A2s before the flop: 66.05% to 33.95% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a2s-vs-j9s.md", "https://georgelipoker.com/equity/a2s-vs-jto.md", "https://georgelipoker.com/equity/qto-vs-44.md"] --- # A2s vs 44: preflop equity 44 is a big favorite over A2s before the flop: 66.05% to 33.95% equity, counted exactly over every board, with the split by flop type and suit. Before any board card is dealt, 44 holds 66.05% equity against A2s, which leaves A2s with 33.95%. ## A2s against 44: the numbers **Exact preflop results for A2s against 44, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A2s | 33.658 | 0.590 | 65.752 | 33.953 | | 44 | 65.752 | 0.590 | 33.658 | 66.047 | A2s and 44 are a suited hand and a pocket pair, in that order. The pair is ahead of one card and behind the other, so the board decides how that plays out. That is a clear edge, 66.05% to 33.95%, but A2s still wins often enough that one hand proves nothing. 0.59% of boards are ties, so the equity of each hand is its win rate plus half of that. For context, A2s sits at number 46 of 169 starting hands and 44 at number 48 when each is run against a random hand. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A2s | 13,832,000 | 242,000 | 27,021,000 | | 44 | 27,021,000 | 242,000 | 13,832,000 | The board total is exact, 24 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **A2s against 44 read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | A2s | 0.514 | 2.971 | 1.521 | 1.945 | | 44 | 1.945 | 1.521 | 2.971 | 0.514 | 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 44 prefers low rainbow flops (nine high or lower), where it holds 81.46%, and likes monotone flops least, where it holds 62.59%. 44 stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **A2s against 44 by flop texture, in percent** | Flop | Share of flops | A2s wins | Ties | 44 wins | A2s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.220 | 33.770 | 0.291 | 65.939 | 33.915 | | Rainbow, nine or lower | 5.689 | 17.976 | 1.128 | 80.896 | 18.540 | | Two-tone | 46.545 | 34.191 | 0.403 | 65.406 | 34.392 | | Monotone | 5.212 | 35.978 | 2.868 | 61.154 | 37.412 | | Paired | 17.334 | 36.516 | 0.665 | 62.819 | 36.848 | 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 The table below sets each hand against its own random-hand baseline: a change of -23.43 points for A2s, from 57.38%, and +9.03 for 44, from 57.02%. **A2s and 44 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 | | --- | --- | --- | --- | --- | | A2s, all flops | 33.953 | 57.379 | -23.426 | 0.59173 | | A2s, rainbow, ten or higher | 33.915 | 57.379 | -23.464 | 0.59107 | | A2s, rainbow, nine or lower | 18.540 | 57.379 | -38.839 | 0.32311 | | A2s, two-tone | 34.392 | 57.379 | -22.987 | 0.59938 | | A2s, monotone | 37.412 | 57.379 | -19.967 | 0.65202 | | A2s, paired | 36.848 | 57.379 | -20.531 | 0.64219 | | 44, all flops | 66.047 | 57.023 | +9.024 | 1.15825 | | 44, rainbow, ten or higher | 66.085 | 57.023 | +9.062 | 1.15892 | | 44, rainbow, nine or lower | 81.460 | 57.023 | +24.437 | 1.42855 | | 44, two-tone | 65.608 | 57.023 | +8.585 | 1.15055 | | 44, monotone | 62.588 | 57.023 | +5.565 | 1.09759 | | 44, paired | 63.152 | 57.023 | +6.129 | 1.10748 | ## Does a shared suit matter? Two kinds of deal exist here. In 12 of them the hands share a suit and 44 holds 66.33%. In 12 they do not, and it holds 65.76%. 44 does better with a shared suit, by 0.57 points. **A2s against 44 by suit overlap, in percent** | Deals | Specific deals | Share of deals | A2s wins | Ties | 44 wins | A2s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 33.354 | 0.627 | 66.019 | 33.668 | | No shared suit | 12 | 50.00 | 33.962 | 0.553 | 65.485 | 34.238 | ## How often this matchup comes up Exactly 24 specific deals fit this matchup in one seat order, which is 0.0015% of 1,624,350; both orders together give 48, or 0.0030%. ## A worked example With $100 from each side, the $200 pot is split on average as $132.10 for 44 and $67.90 for A2s; the first side gains $32.10 per all-in and the second gives up $32.10. Per 1,000 deals: 44 wins about 657, A2s wins about 337, and about 6 end in a split pot. ## The same matchup from the other side If you came looking for 44 against A2s, the numbers are the same with the hands swapped: 66.05% and 33.95%. ## Keep exploring As2s against 4h4d 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 As2s against 4h4d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As2s&p2=4h4d) - [A2s combos](https://georgelipoker.com/combos/a2s.md) - [44 combos](https://georgelipoker.com/combos/44.md) - [A2s vs J9s](https://georgelipoker.com/equity/a2s-vs-j9s.md) - [A2s vs JTo](https://georgelipoker.com/equity/a2s-vs-jto.md) - [QTo vs 44](https://georgelipoker.com/equity/qto-vs-44.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 24 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [A2s vs J9s: preflop equity](https://georgelipoker.com/equity/a2s-vs-j9s.md) - [A2s vs JTo: preflop equity](https://georgelipoker.com/equity/a2s-vs-jto.md) - [QTo vs 44: preflop equity](https://georgelipoker.com/equity/qto-vs-44.md)