--- title: "A5s vs 33: preflop equity" url: "https://georgelipoker.com/equity/a5s-vs-33.md" canonical_url: "https://georgelipoker.com/equity/a5s-vs-33" last_updated: "2026-10-23" type: "reference" summary: "A5s vs 33 is close to a coin flip before the flop: 49.01% to 50.99% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a5s-vs-t8s.md", "https://georgelipoker.com/equity/a5s-vs-t9o.md", "https://georgelipoker.com/equity/a6s-vs-33.md"] --- # A5s vs 33: preflop equity A5s vs 33 is close to a coin flip before the flop: 49.01% to 50.99% equity, counted exactly over every board, with the split by flop type and suit. In equity, 33 against A5s stands at 50.99% to 49.01%, a gap of 1.98 points. ## A5s against 33: the numbers **Exact preflop results for A5s against 33, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A5s | 48.707 | 0.612 | 50.681 | 49.013 | | 33 | 50.681 | 0.612 | 48.707 | 50.987 | The first hand is a suited hand; the second is a pocket pair. A pair against two higher cards is the classic race: the pair is usually a small favorite or close to even, and each overcard that pairs is a way to take the lead. This is close to even money, with 33 a little ahead. Ties are part of the picture: 0.61% of boards end in a split pot, and each side counts that as half a win. The hand ranking puts A5s at 30 and 33 at 66 out of 169 starting hands. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A5s | 20,016,000 | 252,000 | 20,828,000 | | 33 | 20,828,000 | 252,000 | 20,016,000 | Exact total: 24 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. **A5s 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) | | --- | --- | --- | --- | --- | | A5s | 0.961 | 2.053 | 1.973 | 1.040 | | 33 | 1.040 | 1.973 | 2.053 | 0.961 | 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 Low rainbow flops (nine high or lower) are the best for 33 (56.19%); two-tone flops are the worst (49.97%). A5s takes over on two-tone flops, so the favorite before the flop is the underdog on those boards. **A5s against 33 by flop texture, in percent** | Flop | Share of flops | A5s wins | Ties | 33 wins | A5s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.220 | 48.520 | 0.291 | 51.189 | 48.666 | | Rainbow, nine or lower | 5.689 | 43.259 | 1.097 | 55.644 | 43.808 | | Two-tone | 46.545 | 49.831 | 0.403 | 49.766 | 50.033 | | Monotone | 5.212 | 47.799 | 3.222 | 48.979 | 49.410 | | Paired | 17.334 | 48.021 | 0.697 | 51.282 | 48.370 | Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank. ## Compared with a random hand Start from the random-hand figures, 59.92% for A5s and 53.69% for 33. This opponent changes them by -10.91 and -2.70 points. **A5s 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 | | --- | --- | --- | --- | --- | | A5s, all flops | 49.013 | 59.923 | -10.910 | 0.81793 | | A5s, rainbow, ten or higher | 48.666 | 59.923 | -11.257 | 0.81214 | | A5s, rainbow, nine or lower | 43.808 | 59.923 | -16.115 | 0.73107 | | A5s, two-tone | 50.033 | 59.923 | -9.890 | 0.83495 | | A5s, monotone | 49.410 | 59.923 | -10.513 | 0.82456 | | A5s, paired | 48.370 | 59.923 | -11.553 | 0.80720 | | 33, all flops | 50.987 | 53.693 | -2.706 | 0.94960 | | 33, rainbow, ten or higher | 51.334 | 53.693 | -2.359 | 0.95607 | | 33, rainbow, nine or lower | 56.192 | 53.693 | +2.499 | 1.04654 | | 33, two-tone | 49.967 | 53.693 | -3.726 | 0.93061 | | 33, monotone | 50.590 | 53.693 | -3.103 | 0.94221 | | 33, paired | 51.630 | 53.693 | -2.063 | 0.96158 | ## Does a shared suit matter? Looking only at deals where the hands share a suit, 33 has 51.14%; looking only at deals where they do not, 50.83%. 33 does better with a shared suit, by 0.31 points. **A5s against 33 by suit overlap, in percent** | Deals | Specific deals | Share of deals | A5s wins | Ties | 33 wins | A5s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 48.535 | 0.641 | 50.824 | 48.856 | | No shared suit | 12 | 50.00 | 48.879 | 0.583 | 50.538 | 49.170 | ## How often this matchup comes up How often does it happen? 24 of the 1,624,350 ordered deals (0.0015%) are A5s against 33, and 48 (0.0030%) if either hand may sit in either seat. ## A worked example Take a $200 pot built from $100 each. 33's equity of 50.99% is worth $101.98, a $1.98 edge, and A5s' 49.01% is worth $98.02, which is $1.98 under its stake. Run 1,000 deals and the tally comes out near 507 for 33, 487 for A5s and 6 ties. ## The same matchup from the other side The mirror image, 33 against A5s, is 50.99% to 49.01%, and its address redirects to this page. ## Keep exploring Try As5s 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 As5s against 3h3d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As5s&p2=3h3d) - [A5s combos](https://georgelipoker.com/combos/a5s.md) - [33 combos](https://georgelipoker.com/combos/33.md) - [A5s vs T8s](https://georgelipoker.com/equity/a5s-vs-t8s.md) - [A5s vs T9o](https://georgelipoker.com/equity/a5s-vs-t9o.md) - [A6s vs 33](https://georgelipoker.com/equity/a6s-vs-33.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Method: exact enumeration. The 24 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [A5s vs T8s: preflop equity](https://georgelipoker.com/equity/a5s-vs-t8s.md) - [A5s vs T9o: preflop equity](https://georgelipoker.com/equity/a5s-vs-t9o.md) - [A6s vs 33: preflop equity](https://georgelipoker.com/equity/a6s-vs-33.md)