--- title: "A5s vs T8s: preflop equity" url: "https://georgelipoker.com/equity/a5s-vs-t8s.md" canonical_url: "https://georgelipoker.com/equity/a5s-vs-t8s" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, A5s or T8s? A5s leads 55.82% to 44.18% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a5s-vs-t9o.md", "https://georgelipoker.com/equity/a5s-vs-98s.md", "https://georgelipoker.com/equity/a6s-vs-t8s.md"] --- # A5s vs T8s: preflop equity Who is ahead, A5s or T8s? A5s leads 55.82% to 44.18% before the flop, counted exactly over every board, with the split by flop type and suit. Dealt all in against each other, A5s takes 55.82% of the pot on average and T8s takes the other 44.18%. ## A5s against T8s: the numbers **Exact preflop results for A5s against T8s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A5s | 55.574 | 0.498 | 43.928 | 55.823 | | T8s | 43.928 | 0.498 | 55.574 | 44.177 | A5s and T8s are both suited hands. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits. The lead is steady rather than large, and the flop still has plenty of say in who wins. Of every 100 boards, about 0.50 are split pots, and the equity figures already include them. Ranked by equity against a random hand, A5s is number 30 of the 169 starting hands and T8s is number 73. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A5s | 15,226,000 | 136,000 | 12,035,000 | | T8s | 12,035,000 | 136,000 | 15,226,000 | The total is exact: 16 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. **A5s 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) | | --- | --- | --- | --- | --- | | A5s | 1.264 | 1.799 | 2.276 | 0.791 | | T8s | 0.791 | 2.276 | 1.799 | 1.264 | In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity. ## Who is ahead on which flops If you know the kind of flop that came, the numbers shift: A5s holds 61.41% on paired flops and 51.56% on low rainbow flops (nine high or lower). A5s stays ahead on all five textures. **A5s against T8s by flop texture, in percent** | Flop | Share of flops | A5s wins | Ties | T8s wins | A5s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.543 | 55.681 | 0.193 | 44.126 | 55.777 | | Rainbow, nine or lower | 6.366 | 51.258 | 0.605 | 48.137 | 51.561 | | Two-tone | 46.727 | 54.501 | 0.256 | 45.243 | 54.629 | | Monotone | 5.273 | 51.951 | 3.423 | 44.626 | 53.663 | | Paired | 17.091 | 61.080 | 0.653 | 38.267 | 61.406 | 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 Against one random hand instead, A5s holds 59.92% and T8s holds 52.33%. Facing each other changes that by -4.10 points for A5s and -8.15 points for T8s. **A5s 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 | | --- | --- | --- | --- | --- | | A5s, all flops | 55.823 | 59.923 | -4.100 | 0.93158 | | A5s, rainbow, ten or higher | 55.777 | 59.923 | -4.146 | 0.93081 | | A5s, rainbow, nine or lower | 51.561 | 59.923 | -8.362 | 0.86045 | | A5s, two-tone | 54.629 | 59.923 | -5.294 | 0.91165 | | A5s, monotone | 53.663 | 59.923 | -6.260 | 0.89553 | | A5s, paired | 61.406 | 59.923 | +1.483 | 1.02475 | | T8s, all flops | 44.177 | 52.334 | -8.157 | 0.84414 | | T8s, rainbow, ten or higher | 44.223 | 52.334 | -8.111 | 0.84501 | | T8s, rainbow, nine or lower | 48.439 | 52.334 | -3.895 | 0.92557 | | T8s, two-tone | 45.371 | 52.334 | -6.963 | 0.86695 | | T8s, monotone | 46.337 | 52.334 | -5.997 | 0.88541 | | T8s, paired | 38.594 | 52.334 | -13.740 | 0.73746 | ## Does a shared suit matter? Split by suits, the deals give A5s 57.53% when the hands overlap in a suit and 55.25% when they do not. A5s does better with a shared suit, by 2.28 points. **A5s against T8s by suit overlap, in percent** | Deals | Specific deals | Share of deals | A5s wins | Ties | T8s wins | A5s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 57.246 | 0.577 | 42.177 | 57.534 | | No shared suit | 12 | 75.00 | 55.017 | 0.471 | 44.512 | 55.252 | ## How often this matchup comes up Counting specific cards, A5s against T8s appears in 16 of the 1,624,350 ordered heads-up deals (0.0010%), and in 32 when the seats are swapped too (0.0020%). ## A worked example Say each player puts $100 in before the flop, making a $200 pot. On average A5s takes back $111.64 of it, which is $11.64 more than it put in, and T8s takes back $88.36, $11.64 less than it put in. Per 1,000 deals: A5s wins about 556, T8s wins about 439, and about 5 end in a split pot. ## The same matchup from the other side T8s versus A5s is this same page seen from the other hand: 44.18% for T8s, 55.82% for A5s. ## Keep exploring Open the calculator with As5s 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 As5s against Th8h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As5s&p2=Th8h) - [A5s combos](https://georgelipoker.com/combos/a5s.md) - [T8s combos](https://georgelipoker.com/combos/t8s.md) - [A5s vs T9o](https://georgelipoker.com/equity/a5s-vs-t9o.md) - [A5s vs 98s](https://georgelipoker.com/equity/a5s-vs-98s.md) - [A6s vs T8s](https://georgelipoker.com/equity/a6s-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 - [A5s vs T9o: preflop equity](https://georgelipoker.com/equity/a5s-vs-t9o.md) - [A5s vs 98s: preflop equity](https://georgelipoker.com/equity/a5s-vs-98s.md) - [A6s vs T8s: preflop equity](https://georgelipoker.com/equity/a6s-vs-t8s.md)