--- title: "A2s vs T8s: preflop equity" url: "https://georgelipoker.com/equity/a2s-vs-t8s.md" canonical_url: "https://georgelipoker.com/equity/a2s-vs-t8s" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, A2s or T8s? A2s leads 55.44% to 44.56% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a2s-vs-t9o.md", "https://georgelipoker.com/equity/a2s-vs-98s.md", "https://georgelipoker.com/equity/qto-vs-t8s.md"] --- # A2s vs T8s: preflop equity Who is ahead, A2s or T8s? A2s leads 55.44% to 44.56% before the flop, counted exactly over every board, with the split by flop type and suit. Dealt all in against each other, A2s takes 55.44% of the pot on average and T8s takes the other 44.56%. ## A2s against T8s: the numbers **Exact preflop results for A2s against T8s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A2s | 55.185 | 0.508 | 44.307 | 55.439 | | T8s | 44.307 | 0.508 | 55.185 | 44.561 | This is a contest between two suited hands, A2s and T8s. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. A2s is ahead, but T8s is far from dead: it takes 443 of every 1,000 deals outright. Split pots make up 0.51% of the boards, and both equity figures count them as half a win each. Among the 169 starting hands, A2s is number 46 and T8s is number 73 by strength against a random hand. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A2s | 15,119,000 | 139,000 | 12,139,000 | | T8s | 12,139,000 | 139,000 | 15,119,000 | 16 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand. **A2s against T8s 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 | 1.244 | 1.812 | 2.257 | 0.804 | | T8s | 0.804 | 2.257 | 1.812 | 1.244 | The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call. ## Who is ahead on which flops Break the boards down by their first three cards and A2s is strongest on paired flops (61.27%) and weakest on low rainbow flops (nine high or lower) (50.08%). A2s stays ahead on all five textures. **A2s against T8s by flop texture, in percent** | Flop | Share of flops | A2s wins | Ties | T8s wins | A2s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.543 | 55.454 | 0.193 | 44.353 | 55.551 | | Rainbow, nine or lower | 6.366 | 49.752 | 0.663 | 49.585 | 50.083 | | Two-tone | 46.727 | 54.079 | 0.265 | 45.656 | 54.212 | | Monotone | 5.273 | 51.652 | 3.429 | 44.919 | 53.366 | | Paired | 17.091 | 60.933 | 0.665 | 38.402 | 61.266 | 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 The table below sets each hand against its own random-hand baseline: a change of -1.94 points for A2s, from 57.38%, and -7.77 for T8s, from 52.33%. **A2s and T8s 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 | 55.439 | 57.379 | -1.940 | 0.96619 | | A2s, rainbow, ten or higher | 55.551 | 57.379 | -1.828 | 0.96814 | | A2s, rainbow, nine or lower | 50.083 | 57.379 | -7.296 | 0.87285 | | A2s, two-tone | 54.212 | 57.379 | -3.167 | 0.94481 | | A2s, monotone | 53.366 | 57.379 | -4.013 | 0.93006 | | A2s, paired | 61.266 | 57.379 | +3.887 | 1.06774 | | T8s, all flops | 44.561 | 52.334 | -7.773 | 0.85147 | | T8s, rainbow, ten or higher | 44.449 | 52.334 | -7.885 | 0.84933 | | T8s, rainbow, nine or lower | 49.917 | 52.334 | -2.417 | 0.95382 | | T8s, two-tone | 45.788 | 52.334 | -6.546 | 0.87492 | | T8s, monotone | 46.634 | 52.334 | -5.700 | 0.89108 | | T8s, paired | 38.734 | 52.334 | -13.600 | 0.74013 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common A2s has 57.11% equity, and with none in common it has 54.88%. A2s does better with a shared suit, by 2.23 points. **A2s against T8s by suit overlap, in percent** | Deals | Specific deals | Share of deals | A2s wins | Ties | T8s wins | A2s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 56.818 | 0.589 | 42.593 | 57.113 | | No shared suit | 12 | 75.00 | 54.640 | 0.481 | 44.879 | 54.881 | ## How often this matchup comes up Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%. ## A worked example To see what the equity is worth, imagine $100 each in a $200 pot. A2s is worth $110.88 on average (+$10.88); T8s is worth $89.12 (-$10.88). Over a long run, 1,000 deals split into about 552 for A2s, 443 for T8s and 5 tied. ## The same matchup from the other side One page covers both views. From T8s' side the equity is 44.56%, and from A2s' side it is 55.44%. ## Keep exploring Open the calculator with As2s against Th8h already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking. - [Open As2s against Th8h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As2s&p2=Th8h) - [A2s combos](https://georgelipoker.com/combos/a2s.md) - [T8s combos](https://georgelipoker.com/combos/t8s.md) - [A2s vs T9o](https://georgelipoker.com/equity/a2s-vs-t9o.md) - [A2s vs 98s](https://georgelipoker.com/equity/a2s-vs-98s.md) - [QTo vs T8s](https://georgelipoker.com/equity/qto-vs-t8s.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 16 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 T9o: preflop equity](https://georgelipoker.com/equity/a2s-vs-t9o.md) - [A2s vs 98s: preflop equity](https://georgelipoker.com/equity/a2s-vs-98s.md) - [QTo vs T8s: preflop equity](https://georgelipoker.com/equity/qto-vs-t8s.md)