--- title: "77 vs T8s: preflop equity" url: "https://georgelipoker.com/equity/77-vs-t8s.md" canonical_url: "https://georgelipoker.com/equity/77-vs-t8s" last_updated: "2026-10-23" type: "reference" summary: "77 vs T8s is close to a coin flip before the flop: 51.36% to 48.64% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/77-vs-t9o.md", "https://georgelipoker.com/equity/77-vs-98s.md", "https://georgelipoker.com/equity/aqs-vs-t8s.md"] --- # 77 vs T8s: preflop equity 77 vs T8s is close to a coin flip before the flop: 51.36% to 48.64% equity, counted exactly over every board, with the split by flop type and suit. Dealt all in against each other, 77 takes 51.36% of the pot on average and T8s takes the other 48.64%. ## 77 against T8s: the numbers **Exact preflop results for 77 against T8s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 77 | 51.046 | 0.625 | 48.329 | 51.359 | | T8s | 48.329 | 0.625 | 51.046 | 48.641 | Here a pocket pair (77) meets a suited hand (T8s). One hand holds a pair and the other holds two cards that both outrank it, which keeps the equity closer than most people expect. This is close to even money, with 77 a little ahead. Split pots make up 0.63% of the boards, and both equity figures count them as half a win each. In the ranking of all 169 starting hands, 77 is number 9 and T8s is number 73. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 77 | 20,978,000 | 257,000 | 19,861,000 | | T8s | 19,861,000 | 257,000 | 20,978,000 | 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. **77 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) | | --- | --- | --- | --- | --- | | 77 | 1.056 | 1.959 | 2.069 | 0.947 | | T8s | 0.947 | 2.069 | 1.959 | 1.056 | 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 The flop changes the picture. 77 does best on low rainbow flops (nine high or lower), at 58.99%, and worst on two-tone flops, at 49.26%. The lead reverses on rainbow flops topped by a ten or better and two-tone flops: there T8s is the favorite even though 77 is ahead overall. **77 against T8s by flop texture, in percent** | Flop | Share of flops | 77 wins | Ties | T8s wins | 77 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.220 | 49.473 | 0.394 | 50.133 | 49.670 | | Rainbow, nine or lower | 5.689 | 58.819 | 0.350 | 40.831 | 58.994 | | Two-tone | 46.545 | 49.075 | 0.366 | 50.559 | 49.258 | | Monotone | 5.212 | 49.249 | 2.484 | 48.267 | 50.491 | | Paired | 17.334 | 56.617 | 1.190 | 42.193 | 57.212 | 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 How much does the opponent matter? Compared with its random-hand 66.24%, 77 changes by -14.88 points, and T8s, from 52.33%, by -3.69. **77 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 | | --- | --- | --- | --- | --- | | 77, all flops | 51.359 | 66.236 | -14.877 | 0.77539 | | 77, rainbow, ten or higher | 49.670 | 66.236 | -16.566 | 0.74989 | | 77, rainbow, nine or lower | 58.994 | 66.236 | -7.242 | 0.89066 | | 77, two-tone | 49.258 | 66.236 | -16.978 | 0.74367 | | 77, monotone | 50.491 | 66.236 | -15.745 | 0.76229 | | 77, paired | 57.212 | 66.236 | -9.024 | 0.86376 | | T8s, all flops | 48.641 | 52.334 | -3.693 | 0.92943 | | T8s, rainbow, ten or higher | 50.330 | 52.334 | -2.004 | 0.96171 | | T8s, rainbow, nine or lower | 41.006 | 52.334 | -11.328 | 0.78354 | | T8s, two-tone | 50.742 | 52.334 | -1.592 | 0.96958 | | T8s, monotone | 49.509 | 52.334 | -2.825 | 0.94602 | | T8s, paired | 42.788 | 52.334 | -9.546 | 0.81759 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common 77 has 51.47% equity, and with none in common it has 51.24%. The two rows differ by only 0.23 points, so suits barely change this matchup. **77 against T8s by suit overlap, in percent** | Deals | Specific deals | Share of deals | 77 wins | Ties | T8s wins | 77 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 51.141 | 0.665 | 48.194 | 51.473 | | No shared suit | 12 | 50.00 | 50.951 | 0.585 | 48.464 | 51.244 | ## How often this matchup comes up The class pair covers 24 combinations of specific cards in a fixed seat order, 0.0015% of 1,624,350, and 48 (0.0030%) in either order. ## A worked example To see what the equity is worth, imagine $100 each in a $200 pot. 77 is worth $102.72 on average (+$2.72); T8s is worth $97.28 (-$2.72). Run 1,000 deals and the tally comes out near 511 for 77, 483 for T8s and 6 ties. ## The same matchup from the other side Read it from the other side: T8s against 77 is the same matchup with the numbers swapped, so T8s holds 48.64% and 77 holds 51.36%. That address sends you back to this page. ## Keep exploring The calculator link fills in 7s7h against Td8d, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength. - [Open 7s7h against Td8d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=7s7h&p2=Td8d) - [77 combos](https://georgelipoker.com/combos/77.md) - [T8s combos](https://georgelipoker.com/combos/t8s.md) - [77 vs T9o](https://georgelipoker.com/equity/77-vs-t9o.md) - [77 vs 98s](https://georgelipoker.com/equity/77-vs-98s.md) - [AQs vs T8s](https://georgelipoker.com/equity/aqs-vs-t8s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 24 deals of 77 against T8s fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [77 vs T9o: preflop equity](https://georgelipoker.com/equity/77-vs-t9o.md) - [77 vs 98s: preflop equity](https://georgelipoker.com/equity/77-vs-98s.md) - [AQs vs T8s: preflop equity](https://georgelipoker.com/equity/aqs-vs-t8s.md)