--- title: "A8s vs 33: preflop equity" url: "https://georgelipoker.com/equity/a8s-vs-33.md" canonical_url: "https://georgelipoker.com/equity/a8s-vs-33" last_updated: "2026-10-23" type: "reference" summary: "A8s vs 33 is close to a coin flip before the flop: 49.43% to 50.57% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a8s-vs-t8s.md", "https://georgelipoker.com/equity/a8s-vs-t9o.md", "https://georgelipoker.com/equity/kts-vs-33.md"] --- # A8s vs 33: preflop equity A8s vs 33 is close to a coin flip before the flop: 49.43% to 50.57% equity, counted exactly over every board, with the split by flop type and suit. Dealt all in against each other, 33 takes 50.57% of the pot on average and A8s takes the other 49.43%. ## A8s against 33: the numbers **Exact preflop results for A8s against 33, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A8s | 49.150 | 0.566 | 50.284 | 49.433 | | 33 | 50.284 | 0.566 | 49.150 | 50.567 | The matchup pits a suited hand against 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. 33 leads by less than 2 points of equity, so the result of any one deal is close to a toss-up. Ties are part of the picture: 0.57% of boards end in a split pot, and each side counts that as half a win. Place 21 of 169 belongs to A8s and place 66 belongs to 33 in the ranking against a random hand. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A8s | 20,198,000 | 233,000 | 20,664,000 | | 33 | 20,664,000 | 233,000 | 20,198,000 | 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. **A8s 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) | | --- | --- | --- | --- | --- | | A8s | 0.978 | 2.035 | 1.989 | 1.023 | | 33 | 1.023 | 1.989 | 2.035 | 0.978 | 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 By flop texture, 33's equity runs from 49.58% on two-tone flops up to 56.39% on low rainbow flops (nine high or lower). Two-tone flops favor A8s, the hand that is behind overall. **A8s against 33 by flop texture, in percent** | Flop | Share of flops | A8s wins | Ties | 33 wins | A8s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.220 | 49.121 | 0.247 | 50.632 | 49.244 | | Rainbow, nine or lower | 5.689 | 43.125 | 0.966 | 55.909 | 43.608 | | Two-tone | 46.545 | 50.247 | 0.352 | 49.401 | 50.423 | | Monotone | 5.212 | 47.967 | 3.189 | 48.844 | 49.562 | | Paired | 17.334 | 48.580 | 0.685 | 50.735 | 48.922 | 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, 61.94% for A8s and 53.69% for 33. This opponent changes them by -12.51 and -3.12 points. **A8s 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 | | --- | --- | --- | --- | --- | | A8s, all flops | 49.433 | 61.944 | -12.511 | 0.79803 | | A8s, rainbow, ten or higher | 49.244 | 61.944 | -12.700 | 0.79498 | | A8s, rainbow, nine or lower | 43.608 | 61.944 | -18.336 | 0.70399 | | A8s, two-tone | 50.423 | 61.944 | -11.521 | 0.81401 | | A8s, monotone | 49.562 | 61.944 | -12.382 | 0.80011 | | A8s, paired | 48.922 | 61.944 | -13.022 | 0.78978 | | 33, all flops | 50.567 | 53.693 | -3.126 | 0.94178 | | 33, rainbow, ten or higher | 50.756 | 53.693 | -2.937 | 0.94530 | | 33, rainbow, nine or lower | 56.392 | 53.693 | +2.699 | 1.05027 | | 33, two-tone | 49.577 | 53.693 | -4.116 | 0.92334 | | 33, monotone | 50.438 | 53.693 | -3.255 | 0.93938 | | 33, paired | 51.078 | 53.693 | -2.615 | 0.95130 | ## Does a shared suit matter? Of the deals of this matchup, 12 share a suit (33 at 50.76%) and 12 do not (50.38%). 33 does better with a shared suit, by 0.38 points. **A8s against 33 by suit overlap, in percent** | Deals | Specific deals | Share of deals | A8s wins | Ties | 33 wins | A8s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 48.948 | 0.595 | 50.457 | 49.245 | | No shared suit | 12 | 50.00 | 49.352 | 0.537 | 50.111 | 49.621 | ## 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 Say each player puts $100 in before the flop, making a $200 pot. On average 33 takes back $101.14 of it, which is $1.14 more than it put in, and A8s takes back $98.86, $1.14 less than it put in. In 1,000 deals of exactly this matchup, expect about 503 won outright by 33, about 491 won outright by A8s and about 6 split. ## The same matchup from the other side The mirror image, 33 against A8s, is 50.57% to 49.43%, and its address redirects to this page. ## Keep exploring Try As8s 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 As8s against 3h3d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As8s&p2=3h3d) - [A8s combos](https://georgelipoker.com/combos/a8s.md) - [33 combos](https://georgelipoker.com/combos/33.md) - [A8s vs T8s](https://georgelipoker.com/equity/a8s-vs-t8s.md) - [A8s vs T9o](https://georgelipoker.com/equity/a8s-vs-t9o.md) - [KTs vs 33](https://georgelipoker.com/equity/kts-vs-33.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 - [A8s vs T8s: preflop equity](https://georgelipoker.com/equity/a8s-vs-t8s.md) - [A8s vs T9o: preflop equity](https://georgelipoker.com/equity/a8s-vs-t9o.md) - [KTs vs 33: preflop equity](https://georgelipoker.com/equity/kts-vs-33.md)