--- title: "T9o vs 87s: preflop equity" url: "https://georgelipoker.com/equity/t9o-vs-87s.md" canonical_url: "https://georgelipoker.com/equity/t9o-vs-87s" last_updated: "2026-10-23" type: "reference" summary: "T9o is a big favorite over 87s before the flop: 62.12% to 37.88% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/t9o-vs-86s.md", "https://georgelipoker.com/equity/t9o-vs-76s.md", "https://georgelipoker.com/equity/98s-vs-87s.md"] --- # T9o vs 87s: preflop equity T9o is a big favorite over 87s before the flop: 62.12% to 37.88% equity, counted exactly over every board, with the split by flop type and suit. In equity, T9o against 87s stands at 62.12% to 37.88%, a gap of 24.24 points. ## T9o against 87s: the numbers **Exact preflop results for T9o against 87s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | T9o | 61.244 | 1.753 | 37.003 | 62.121 | | 87s | 37.003 | 1.753 | 61.244 | 37.879 | T9o, an offsuit hand, plays 87s, a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. A 24.24 point lead is real, and 87s still takes about 370 of every 1,000 deals outright. A split pot comes up on 1.75% of boards, so the wins and the equity differ by half of that. Ranked by equity against a random hand, T9o is number 78 of the 169 starting hands and 87s is number 100. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | T9o | 50,337,000 | 1,441,000 | 30,413,000 | | 87s | 30,413,000 | 1,441,000 | 50,337,000 | 48 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. **T9o against 87s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | T9o | 1.640 | 1.633 | 2.702 | 0.610 | | 87s | 0.610 | 2.702 | 1.633 | 1.640 | 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 Split by what the flop looks like, T9o peaks at 67.08% on rainbow flops topped by a ten or better and bottoms out at 49.33% on low rainbow flops (nine high or lower). 87s takes over on low rainbow flops (nine high or lower), so the favorite before the flop is the underdog on those boards. **T9o against 87s by flop texture, in percent** | Flop | Share of flops | T9o wins | Ties | 87s wins | T9o equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.341 | 66.486 | 1.190 | 32.324 | 67.081 | | Rainbow, nine or lower | 5.689 | 49.228 | 0.207 | 50.565 | 49.331 | | Two-tone | 46.667 | 60.565 | 0.948 | 38.487 | 61.039 | | Monotone | 5.212 | 58.944 | 2.898 | 38.158 | 60.393 | | Paired | 17.091 | 60.027 | 4.953 | 35.020 | 62.503 | Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank. ## Compared with a random hand Each hand has a baseline against a random hand: 51.53% for T9o, 47.94% for 87s. Here the change is +10.59 and -10.06 points. **T9o and 87s 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 | | --- | --- | --- | --- | --- | | T9o, all flops | 62.121 | 51.532 | +10.589 | 1.20548 | | T9o, rainbow, ten or higher | 67.081 | 51.532 | +15.549 | 1.30173 | | T9o, rainbow, nine or lower | 49.331 | 51.532 | -2.201 | 0.95729 | | T9o, two-tone | 61.039 | 51.532 | +9.507 | 1.18449 | | T9o, monotone | 60.393 | 51.532 | +8.861 | 1.17195 | | T9o, paired | 62.503 | 51.532 | +10.971 | 1.21290 | | 87s, all flops | 37.879 | 47.936 | -10.057 | 0.79020 | | 87s, rainbow, ten or higher | 32.919 | 47.936 | -15.017 | 0.68673 | | 87s, rainbow, nine or lower | 50.669 | 47.936 | +2.733 | 1.05701 | | 87s, two-tone | 38.961 | 47.936 | -8.975 | 0.81277 | | 87s, monotone | 39.607 | 47.936 | -8.329 | 0.82625 | | 87s, paired | 37.497 | 47.936 | -10.439 | 0.78223 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common T9o has 62.80% equity, and with none in common it has 61.44%. T9o does better with a shared suit, by 1.36 points. **T9o against 87s by suit overlap, in percent** | Deals | Specific deals | Share of deals | T9o wins | Ties | 87s wins | T9o equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 61.903 | 1.797 | 36.300 | 62.801 | | No shared suit | 24 | 50.00 | 60.586 | 1.710 | 37.704 | 61.441 | ## How often this matchup comes up You will meet this exact matchup 0.0059% of the time in a random heads-up deal: 96 of 1,624,350, counting either seat order. ## A worked example Worked example: both players commit $100, so $200 sits in the middle. Over every board, T9o's average share is $124.24 (a gain of $24.24) and 87s' is $75.76 (a loss of $24.24). Run 1,000 deals and the tally comes out near 612 for T9o, 370 for 87s and 18 ties. ## The same matchup from the other side If you came looking for 87s against T9o, the numbers are the same with the hands swapped: 37.88% and 62.12%. ## Keep exploring Try Ts9h against 8d7d 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 Ts9h against 8d7d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=Ts9h&p2=8d7d) - [T9o combos](https://georgelipoker.com/combos/t9o.md) - [87s combos](https://georgelipoker.com/combos/87s.md) - [T9o vs 86s](https://georgelipoker.com/equity/t9o-vs-86s.md) - [T9o vs 76s](https://georgelipoker.com/equity/t9o-vs-76s.md) - [98s vs 87s](https://georgelipoker.com/equity/98s-vs-87s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 48 deals of T9o against 87s 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 - [T9o vs 86s: preflop equity](https://georgelipoker.com/equity/t9o-vs-86s.md) - [T9o vs 76s: preflop equity](https://georgelipoker.com/equity/t9o-vs-76s.md) - [98s vs 87s: preflop equity](https://georgelipoker.com/equity/98s-vs-87s.md)