--- title: "A8s vs T8s: preflop equity" url: "https://georgelipoker.com/equity/a8s-vs-t8s.md" canonical_url: "https://georgelipoker.com/equity/a8s-vs-t8s" last_updated: "2026-10-23" type: "reference" summary: "A8s is a big favorite over T8s before the flop: 68.23% to 31.77% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a8s-vs-t9o.md", "https://georgelipoker.com/equity/a8s-vs-98s.md", "https://georgelipoker.com/equity/kts-vs-t8s.md"] --- # A8s vs T8s: preflop equity A8s is a big favorite over T8s before the flop: 68.23% to 31.77% equity, counted exactly over every board, with the split by flop type and suit. Counting every board, the equity split is 68.23% for A8s and 31.77% for T8s, so A8s leads by 36.46 points. ## A8s against T8s: the numbers **Exact preflop results for A8s against T8s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A8s | 67.190 | 2.082 | 30.728 | 68.231 | | T8s | 30.728 | 2.082 | 67.190 | 31.769 | Each side holds one of the suited hands: A8s and T8s. Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up. A lead of 36.46 points is large but not decisive: T8s still takes about 307 of every 1,000 deals. Ties are 2.08% of the outcomes here; each tied board gives both hands half the pot. In the ranking of all 169 starting hands, A8s is number 21 and T8s is number 73. **Boards behind the percentages: 20,547,648 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A8s | 13,806,000 | 428,000 | 6,314,000 | | T8s | 6,314,000 | 428,000 | 13,806,000 | 12 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. **A8s 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) | | --- | --- | --- | --- | --- | | A8s | 2.148 | 1.488 | 3.254 | 0.466 | | T8s | 0.466 | 3.254 | 1.488 | 2.148 | 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 Break the boards down by their first three cards and A8s is strongest on low rainbow flops (nine high or lower) (75.40%) and weakest on monotone flops (62.04%). A8s stays ahead on all five textures. **A8s against T8s by flop texture, in percent** | Flop | Share of flops | A8s wins | Ties | T8s wins | A8s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 66.577 | 1.769 | 31.654 | 67.462 | | Rainbow, nine or lower | 6.314 | 73.818 | 3.168 | 23.014 | 75.402 | | Two-tone | 46.543 | 65.862 | 1.785 | 32.353 | 66.755 | | Monotone | 5.215 | 59.947 | 4.178 | 35.875 | 62.036 | | Paired | 17.333 | 71.391 | 2.296 | 26.313 | 72.539 | 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 Each hand has a baseline against a random hand: 61.94% for A8s, 52.33% for T8s. Here the change is +6.29 and -20.56 points. **A8s 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 | | --- | --- | --- | --- | --- | | A8s, all flops | 68.231 | 61.944 | +6.287 | 1.10149 | | A8s, rainbow, ten or higher | 67.462 | 61.944 | +5.518 | 1.08908 | | A8s, rainbow, nine or lower | 75.402 | 61.944 | +13.458 | 1.21726 | | A8s, two-tone | 66.755 | 61.944 | +4.811 | 1.07767 | | A8s, monotone | 62.036 | 61.944 | +0.092 | 1.00149 | | A8s, paired | 72.539 | 61.944 | +10.595 | 1.17104 | | T8s, all flops | 31.769 | 52.334 | -20.565 | 0.60704 | | T8s, rainbow, ten or higher | 32.538 | 52.334 | -19.796 | 0.62174 | | T8s, rainbow, nine or lower | 24.598 | 52.334 | -27.736 | 0.47002 | | T8s, two-tone | 33.245 | 52.334 | -19.089 | 0.63525 | | T8s, monotone | 37.964 | 52.334 | -14.370 | 0.72542 | | T8s, paired | 27.461 | 52.334 | -24.873 | 0.52473 | ## Does a shared suit matter? Every legal deal of A8s against T8s leaves the hands with no suit in common, so the suit split does not apply here. **A8s against T8s by suit overlap, in percent** | Deals | Specific deals | Share of deals | A8s wins | Ties | T8s wins | A8s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 0 | 0.00 | not possible | not possible | not possible | not possible | | No shared suit | 12 | 100.00 | 67.190 | 2.082 | 30.728 | 68.231 | ## How often this matchup comes up Out of 1,624,350 ways to deal two seats two cards each, 12 are A8s in one seat and T8s in the other (0.0007%); with the seats swapped too, 24 (0.0015%). ## A worked example Put $100 each into a $200 pot and deal every board once: A8s averages $136.46 back, ahead of its $100 by $36.46, while T8s averages $63.54, short of its $100 by $36.46. Out of 1,000 deals you should see around 672 outright wins for A8s, 307 for T8s, and 21 split pots. ## The same matchup from the other side The reversed view, T8s against A8s, shows 31.77% for T8s and 68.23% for A8s. It is the same count, so it redirects here. ## Keep exploring As8s against Th8h 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 As8s against Th8h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As8s&p2=Th8h) - [A8s combos](https://georgelipoker.com/combos/a8s.md) - [T8s combos](https://georgelipoker.com/combos/t8s.md) - [A8s vs T9o](https://georgelipoker.com/equity/a8s-vs-t9o.md) - [A8s vs 98s](https://georgelipoker.com/equity/a8s-vs-98s.md) - [KTs vs T8s](https://georgelipoker.com/equity/kts-vs-t8s.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 - [A8s vs T9o: preflop equity](https://georgelipoker.com/equity/a8s-vs-t9o.md) - [A8s vs 98s: preflop equity](https://georgelipoker.com/equity/a8s-vs-98s.md) - [KTs vs T8s: preflop equity](https://georgelipoker.com/equity/kts-vs-t8s.md)