--- title: "JTs vs 87s: preflop equity" url: "https://georgelipoker.com/equity/jts-vs-87s.md" canonical_url: "https://georgelipoker.com/equity/jts-vs-87s" last_updated: "2026-10-23" type: "reference" summary: "JTs is a big favorite over 87s before the flop: 63.88% to 36.12% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/jts-vs-86s.md", "https://georgelipoker.com/equity/jts-vs-76s.md", "https://georgelipoker.com/equity/a2s-vs-87s.md"] --- # JTs vs 87s: preflop equity JTs is a big favorite over 87s before the flop: 63.88% to 36.12% equity, counted exactly over every board, with the split by flop type and suit. Dealt all in against each other, JTs takes 63.88% of the pot on average and 87s takes the other 36.12%. ## JTs against 87s: the numbers **Exact preflop results for JTs against 87s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | JTs | 63.312 | 1.134 | 35.554 | 63.879 | | 87s | 35.554 | 1.134 | 63.312 | 36.121 | The matchup is suited hands on both sides, JTs against 87s. 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. 1.13% of boards are ties, so the equity of each hand is its win rate plus half of that. Ranked by equity against a random hand, JTs is number 45 of the 169 starting hands and 87s is number 100. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | JTs | 17,346,000 | 311,000 | 9,741,000 | | 87s | 9,741,000 | 311,000 | 17,346,000 | Exact total: 16 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. **JTs 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) | | --- | --- | --- | --- | --- | | JTs | 1.768 | 1.579 | 2.813 | 0.565 | | 87s | 0.565 | 2.813 | 1.579 | 1.768 | The final column gives the least the pot must offer for each unit called for a call to break even at this equity. ## Who is ahead on which flops If you know the kind of flop that came, the numbers shift: JTs holds 70.29% on rainbow flops topped by a ten or better and 42.24% on low rainbow flops (nine high or lower). JTs is the favorite overall but falls behind on low rainbow flops (nine high or lower). **JTs against 87s by flop texture, in percent** | Flop | Share of flops | JTs wins | Ties | 87s wins | JTs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 69.973 | 0.629 | 29.398 | 70.288 | | Rainbow, nine or lower | 6.314 | 42.082 | 0.322 | 57.596 | 42.243 | | Two-tone | 46.727 | 63.176 | 0.524 | 36.300 | 63.438 | | Monotone | 5.273 | 59.159 | 3.587 | 37.254 | 60.952 | | Paired | 17.091 | 63.225 | 3.069 | 33.706 | 64.759 | 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 Start from the random-hand figures, 57.53% for JTs and 47.94% for 87s. This opponent changes them by +6.35 and -11.82 points. **JTs 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 | | --- | --- | --- | --- | --- | | JTs, all flops | 63.879 | 57.528 | +6.351 | 1.11040 | | JTs, rainbow, ten or higher | 70.288 | 57.528 | +12.760 | 1.22181 | | JTs, rainbow, nine or lower | 42.243 | 57.528 | -15.285 | 0.73430 | | JTs, two-tone | 63.438 | 57.528 | +5.910 | 1.10273 | | JTs, monotone | 60.952 | 57.528 | +3.424 | 1.05952 | | JTs, paired | 64.759 | 57.528 | +7.231 | 1.12570 | | 87s, all flops | 36.121 | 47.936 | -11.815 | 0.75353 | | 87s, rainbow, ten or higher | 29.712 | 47.936 | -18.224 | 0.61983 | | 87s, rainbow, nine or lower | 57.757 | 47.936 | +9.821 | 1.20488 | | 87s, two-tone | 36.562 | 47.936 | -11.374 | 0.76273 | | 87s, monotone | 39.048 | 47.936 | -8.888 | 0.81459 | | 87s, paired | 35.241 | 47.936 | -12.695 | 0.73517 | ## Does a shared suit matter? Split by suits, the deals give JTs 66.33% when the hands overlap in a suit and 63.06% when they do not. JTs does better with a shared suit, by 3.27 points. **JTs against 87s by suit overlap, in percent** | Deals | Specific deals | Share of deals | JTs wins | Ties | 87s wins | JTs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 65.706 | 1.242 | 33.052 | 66.327 | | No shared suit | 12 | 75.00 | 62.515 | 1.097 | 36.388 | 63.063 | ## How often this matchup comes up JTs against 87s is made up of 16 specific-card matchups in one seat order, 0.0010% of the 1,624,350 ordered deals, and 32 counting both seat orders, 0.0020%. ## A worked example Try it with money: two players each put in $100 and the whole board runs out every possible way. JTs averages $127.76 from the $200, up $27.76; 87s averages $72.24, down $27.76. Scaled to 1,000 deals, that is roughly 633 wins for JTs, 356 for 87s and 11 chopped pots. ## The same matchup from the other side 87s against JTs adds nothing new: it is 36.12% for 87s and 63.88% for JTs, the same figures reversed. ## Keep exploring JsTs against 8h7h 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 JsTs against 8h7h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=JsTs&p2=8h7h) - [JTs combos](https://georgelipoker.com/combos/jts.md) - [87s combos](https://georgelipoker.com/combos/87s.md) - [JTs vs 86s](https://georgelipoker.com/equity/jts-vs-86s.md) - [JTs vs 76s](https://georgelipoker.com/equity/jts-vs-76s.md) - [A2s vs 87s](https://georgelipoker.com/equity/a2s-vs-87s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Method: exact enumeration. The 16 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [JTs vs 86s: preflop equity](https://georgelipoker.com/equity/jts-vs-86s.md) - [JTs vs 76s: preflop equity](https://georgelipoker.com/equity/jts-vs-76s.md) - [A2s vs 87s: preflop equity](https://georgelipoker.com/equity/a2s-vs-87s.md)