--- title: "A3s vs A2s: preflop equity" url: "https://georgelipoker.com/equity/a3s-vs-a2s.md" canonical_url: "https://georgelipoker.com/equity/a3s-vs-a2s" last_updated: "2026-10-23" type: "reference" summary: "A3s vs A2s is close to a coin flip before the flop: 52.72% to 47.28% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a3s-vs-qto.md", "https://georgelipoker.com/equity/a3s-vs-44.md", "https://georgelipoker.com/equity/qjo-vs-a2s.md"] --- # A3s vs A2s: preflop equity A3s vs A2s is close to a coin flip before the flop: 52.72% to 47.28% equity, counted exactly over every board, with the split by flop type and suit. Over all 1,712,304 boards that can follow this deal, A3s finishes with 52.72% of the pot and A2s with 47.28%. ## A3s against A2s: the numbers **Exact preflop results for A3s against A2s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A3s | 30.650 | 44.145 | 25.205 | 52.722 | | A2s | 25.205 | 44.145 | 30.650 | 47.278 | Both hands are suited hands: A3s and A2s. Because the hands share one rank, the one with the higher kicker is ahead when that rank pairs and the other hand is mostly drawing. With only 5.44 points between them, the board decides this matchup far more than the cards in hand. Ties are 44.15% of the outcomes here; each tied board gives both hands half the pot. The hand ranking puts A3s at 38 and A2s at 46 out of 169 starting hands. **Boards behind the percentages: 20,547,648 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A3s | 6,298,000 | 9,071,000 | 5,179,000 | | A2s | 5,179,000 | 9,071,000 | 6,298,000 | Exact total: 12 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate. **A3s 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) | | --- | --- | --- | --- | --- | | A3s | 1.115 | 3.263 | 3.967 | 0.897 | | A2s | 0.897 | 3.967 | 3.263 | 1.115 | 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 Break the boards down by their first three cards and A3s is strongest on low rainbow flops (nine high or lower) (56.08%) and weakest on paired flops (51.05%). A3s stays ahead on all five textures. **A3s against A2s by flop texture, in percent** | Flop | Share of flops | A3s wins | Ties | A2s wins | A3s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.526 | 27.666 | 49.841 | 22.493 | 52.587 | | Rainbow, nine or lower | 6.383 | 40.360 | 31.432 | 28.208 | 56.076 | | Two-tone | 46.543 | 32.947 | 40.085 | 26.968 | 52.989 | | Monotone | 5.215 | 36.976 | 30.944 | 32.080 | 52.448 | | Paired | 17.333 | 23.226 | 55.637 | 21.137 | 51.045 | 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 Start from the random-hand figures, 58.22% for A3s and 57.38% for A2s. This opponent changes them by -5.50 and -10.10 points. **A3s 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 | | --- | --- | --- | --- | --- | | A3s, all flops | 52.722 | 58.220 | -5.498 | 0.90557 | | A3s, rainbow, ten or higher | 52.587 | 58.220 | -5.633 | 0.90325 | | A3s, rainbow, nine or lower | 56.076 | 58.220 | -2.144 | 0.96317 | | A3s, two-tone | 52.989 | 58.220 | -5.231 | 0.91015 | | A3s, monotone | 52.448 | 58.220 | -5.772 | 0.90086 | | A3s, paired | 51.045 | 58.220 | -7.175 | 0.87676 | | A2s, all flops | 47.278 | 57.379 | -10.101 | 0.82396 | | A2s, rainbow, ten or higher | 47.413 | 57.379 | -9.966 | 0.82631 | | A2s, rainbow, nine or lower | 43.924 | 57.379 | -13.455 | 0.76551 | | A2s, two-tone | 47.011 | 57.379 | -10.368 | 0.81931 | | A2s, monotone | 47.552 | 57.379 | -9.827 | 0.82874 | | A2s, paired | 48.955 | 57.379 | -8.424 | 0.85319 | ## Does a shared suit matter? These two classes cannot share a suit in any legal deal, so there is only one row to read: A3s holds 52.72% in every deal of this matchup. **A3s against A2s by suit overlap, in percent** | Deals | Specific deals | Share of deals | A3s wins | Ties | A2s wins | A3s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 0 | 0.00 | not possible | not possible | not possible | not possible | | No shared suit | 12 | 100.00 | 30.650 | 44.145 | 25.205 | 52.722 | ## How often this matchup comes up This page stands for 12 specific-card matchups (0.0007% of 1,624,350 ordered deals), or 24 once you count the seats both ways (0.0015%). ## A worked example Take a $200 pot built from $100 each. A3s' equity of 52.72% is worth $105.44, a $5.44 edge, and A2s' 47.28% is worth $94.56, which is $5.44 under its stake. In 1,000 deals of exactly this matchup, expect about 307 won outright by A3s, about 252 won outright by A2s and about 441 split. ## The same matchup from the other side Read it from the other side: A2s against A3s is the same matchup with the numbers swapped, so A2s holds 47.28% and A3s holds 52.72%. That address sends you back to this page. ## Keep exploring As3s 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 As3s against Ah2h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As3s&p2=Ah2h) - [A3s combos](https://georgelipoker.com/combos/a3s.md) - [A2s combos](https://georgelipoker.com/combos/a2s.md) - [A3s vs QTo](https://georgelipoker.com/equity/a3s-vs-qto.md) - [A3s vs 44](https://georgelipoker.com/equity/a3s-vs-44.md) - [QJo vs A2s](https://georgelipoker.com/equity/qjo-vs-a2s.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 12 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 - [A3s vs QTo: preflop equity](https://georgelipoker.com/equity/a3s-vs-qto.md) - [A3s vs 44: preflop equity](https://georgelipoker.com/equity/a3s-vs-44.md) - [QJo vs A2s: preflop equity](https://georgelipoker.com/equity/qjo-vs-a2s.md)