--- title: "A2s vs 33: preflop equity" url: "https://georgelipoker.com/equity/a2s-vs-33.md" canonical_url: "https://georgelipoker.com/equity/a2s-vs-33" last_updated: "2026-10-23" type: "reference" summary: "33 is a big favorite over A2s before the flop: 65.35% to 34.65% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a2s-vs-t8s.md", "https://georgelipoker.com/equity/a2s-vs-t9o.md", "https://georgelipoker.com/equity/qto-vs-33.md"] --- # A2s vs 33: preflop equity 33 is a big favorite over A2s before the flop: 65.35% to 34.65% equity, counted exactly over every board, with the split by flop type and suit. If 33 and A2s get all the chips in before the flop, 33 owns 65.35% of the pot in the long run and A2s owns 34.65%. ## A2s against 33: the numbers **Exact preflop results for A2s against 33, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A2s | 34.326 | 0.647 | 65.027 | 34.650 | | 33 | 65.027 | 0.647 | 34.326 | 65.350 | We compare a suited hand with a pocket pair. One of the other hand's cards outranks the pair and one is below it, which makes this a closer race than a pair against two small cards. 33 is well ahead, and A2s needs a specific kind of board to catch up. Of every 100 boards, about 0.65 are split pots, and the equity figures already include them. In the ranking of all 169 starting hands, A2s is number 46 and 33 is number 66. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A2s | 14,106,000 | 266,000 | 26,723,000 | | 33 | 26,723,000 | 266,000 | 14,106,000 | The total is exact: 24 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. **A2s against 33 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 | 0.530 | 2.913 | 1.538 | 1.886 | | 33 | 1.886 | 1.538 | 2.913 | 0.530 | The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity. ## Who is ahead on which flops If you know the kind of flop that came, the numbers shift: 33 holds 80.73% on low rainbow flops (nine high or lower) and 60.95% on paired flops. 33 stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **A2s against 33 by flop texture, in percent** | Flop | Share of flops | A2s wins | Ties | 33 wins | A2s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.220 | 34.077 | 0.291 | 65.632 | 34.222 | | Rainbow, nine or lower | 5.689 | 18.609 | 1.316 | 80.075 | 19.267 | | Two-tone | 46.545 | 34.543 | 0.433 | 65.024 | 34.759 | | Monotone | 5.212 | 36.270 | 3.237 | 60.493 | 37.888 | | Paired | 17.334 | 38.683 | 0.738 | 60.579 | 39.052 | 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 Start from the random-hand figures, 57.38% for A2s and 53.69% for 33. This opponent changes them by -22.73 and +11.66 points. **A2s and 33 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 | 34.650 | 57.379 | -22.729 | 0.60388 | | A2s, rainbow, ten or higher | 34.222 | 57.379 | -23.157 | 0.59642 | | A2s, rainbow, nine or lower | 19.267 | 57.379 | -38.112 | 0.33578 | | A2s, two-tone | 34.759 | 57.379 | -22.620 | 0.60578 | | A2s, monotone | 37.888 | 57.379 | -19.491 | 0.66031 | | A2s, paired | 39.052 | 57.379 | -18.327 | 0.68060 | | 33, all flops | 65.350 | 53.693 | +11.657 | 1.21710 | | 33, rainbow, ten or higher | 65.778 | 53.693 | +12.085 | 1.22508 | | 33, rainbow, nine or lower | 80.733 | 53.693 | +27.040 | 1.50360 | | 33, two-tone | 65.241 | 53.693 | +11.548 | 1.21507 | | 33, monotone | 62.112 | 53.693 | +8.419 | 1.15680 | | 33, paired | 60.948 | 53.693 | +7.255 | 1.13512 | ## Does a shared suit matter? When the hands share a suit, 33 holds 65.64%; when they do not, it holds 65.06%. 33 does better with a shared suit, by 0.58 points. **A2s against 33 by suit overlap, in percent** | Deals | Specific deals | Share of deals | A2s wins | Ties | 33 wins | A2s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 34.025 | 0.676 | 65.299 | 34.363 | | No shared suit | 12 | 50.00 | 34.628 | 0.617 | 64.755 | 34.937 | ## How often this matchup comes up How often does it happen? 24 of the 1,624,350 ordered deals (0.0015%) are A2s against 33, and 48 (0.0030%) if either hand may sit in either seat. ## A worked example Say each player puts $100 in before the flop, making a $200 pot. On average 33 takes back $130.70 of it, which is $30.70 more than it put in, and A2s takes back $69.30, $30.70 less than it put in. Run 1,000 deals and the tally comes out near 650 for 33, 343 for A2s and 7 ties. ## The same matchup from the other side 33 versus A2s is this same page seen from the other hand: 65.35% for 33, 34.65% for A2s. ## Keep exploring Try As2s against 3h3d 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 As2s against 3h3d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As2s&p2=3h3d) - [A2s combos](https://georgelipoker.com/combos/a2s.md) - [33 combos](https://georgelipoker.com/combos/33.md) - [A2s vs T8s](https://georgelipoker.com/equity/a2s-vs-t8s.md) - [A2s vs T9o](https://georgelipoker.com/equity/a2s-vs-t9o.md) - [QTo vs 33](https://georgelipoker.com/equity/qto-vs-33.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed We counted every case. Each suit pattern of the 24 specific A2s against 33 deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [A2s vs T8s: preflop equity](https://georgelipoker.com/equity/a2s-vs-t8s.md) - [A2s vs T9o: preflop equity](https://georgelipoker.com/equity/a2s-vs-t9o.md) - [QTo vs 33: preflop equity](https://georgelipoker.com/equity/qto-vs-33.md)