--- title: "JTs vs 64s: preflop equity" url: "https://georgelipoker.com/equity/jts-vs-64s.md" canonical_url: "https://georgelipoker.com/equity/jts-vs-64s" last_updated: "2026-10-23" type: "reference" summary: "JTs is a big favorite over 64s before the flop: 64.22% to 35.78% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/jts-vs-53s.md", "https://georgelipoker.com/equity/jts-vs-43s.md", "https://georgelipoker.com/equity/a2s-vs-64s.md"] --- # JTs vs 64s: preflop equity JTs is a big favorite over 64s before the flop: 64.22% to 35.78% equity, counted exactly over every board, with the split by flop type and suit. Over all 1,712,304 boards that can follow this deal, JTs finishes with 64.22% of the pot and 64s with 35.78%. ## JTs against 64s: the numbers **Exact preflop results for JTs against 64s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | JTs | 63.641 | 1.159 | 35.200 | 64.221 | | 64s | 35.200 | 1.159 | 63.641 | 35.779 | Both hands are suited hands: JTs and 64s. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. JTs is ahead, but 64s is far from dead: it takes 352 of every 1,000 deals outright. Ties are 1.16% of the outcomes here; each tied board gives both hands half the pot. By strength against a random hand, JTs holds place 45 of 169 and 64s holds place 138. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | JTs | 17,436,000 | 318,000 | 9,644,000 | | 64s | 9,644,000 | 318,000 | 17,436,000 | 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 64s 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 | 1.795 | 1.571 | 2.841 | 0.557 | | 64s | 0.557 | 2.841 | 1.571 | 1.795 | 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 The flop changes the picture. JTs does best on rainbow flops topped by a ten or better, at 71.18%, and worst on low rainbow flops (nine high or lower), at 40.65%. On low rainbow flops (nine high or lower) the numbers flip and 64s is the one ahead. **JTs against 64s by flop texture, in percent** | Flop | Share of flops | JTs wins | Ties | 64s wins | JTs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 70.880 | 0.603 | 28.517 | 71.182 | | Rainbow, nine or lower | 6.314 | 40.371 | 0.566 | 59.063 | 40.654 | | Two-tone | 46.727 | 63.529 | 0.554 | 35.917 | 63.806 | | Monotone | 5.273 | 59.477 | 3.657 | 36.866 | 61.306 | | Paired | 17.091 | 63.412 | 3.062 | 33.526 | 64.943 | 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 A random hand would give JTs 57.53% and 64s 41.33%. Against each other the change is +6.69 points for JTs and -5.55 for 64s. **JTs and 64s 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 | 64.221 | 57.528 | +6.693 | 1.11634 | | JTs, rainbow, ten or higher | 71.182 | 57.528 | +13.654 | 1.23735 | | JTs, rainbow, nine or lower | 40.654 | 57.528 | -16.874 | 0.70668 | | JTs, two-tone | 63.806 | 57.528 | +6.278 | 1.10913 | | JTs, monotone | 61.306 | 57.528 | +3.778 | 1.06567 | | JTs, paired | 64.943 | 57.528 | +7.415 | 1.12889 | | 64s, all flops | 35.779 | 41.333 | -5.554 | 0.86563 | | 64s, rainbow, ten or higher | 28.818 | 41.333 | -12.515 | 0.69722 | | 64s, rainbow, nine or lower | 59.346 | 41.333 | +18.013 | 1.43580 | | 64s, two-tone | 36.194 | 41.333 | -5.139 | 0.87567 | | 64s, monotone | 38.694 | 41.333 | -2.639 | 0.93615 | | 64s, paired | 35.057 | 41.333 | -6.276 | 0.84816 | ## Does a shared suit matter? The suit split reads 66.66% for JTs with a shared suit and 63.41% without one. JTs does better with a shared suit, by 3.25 points. **JTs against 64s by suit overlap, in percent** | Deals | Specific deals | Share of deals | JTs wins | Ties | 64s wins | JTs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 66.028 | 1.272 | 32.700 | 66.664 | | No shared suit | 12 | 75.00 | 62.845 | 1.122 | 36.033 | 63.406 | ## How often this matchup comes up Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%. ## A worked example With $100 from each side, the $200 pot is split on average as $128.44 for JTs and $71.56 for 64s; the first side gains $28.44 per all-in and the second gives up $28.44. A thousand deals look like this: JTs takes 636, 64s takes 352, 12 are ties. ## The same matchup from the other side Read it from the other side: 64s against JTs is the same matchup with the numbers swapped, so 64s holds 35.78% and JTs holds 64.22%. That address sends you back to this page. ## Keep exploring The calculator link fills in JsTs against 6h4h, 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 JsTs against 6h4h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=JsTs&p2=6h4h) - [JTs combos](https://georgelipoker.com/combos/jts.md) - [64s combos](https://georgelipoker.com/combos/64s.md) - [JTs vs 53s](https://georgelipoker.com/equity/jts-vs-53s.md) - [JTs vs 43s](https://georgelipoker.com/equity/jts-vs-43s.md) - [A2s vs 64s](https://georgelipoker.com/equity/a2s-vs-64s.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 16 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 - [JTs vs 53s: preflop equity](https://georgelipoker.com/equity/jts-vs-53s.md) - [JTs vs 43s: preflop equity](https://georgelipoker.com/equity/jts-vs-43s.md) - [A2s vs 64s: preflop equity](https://georgelipoker.com/equity/a2s-vs-64s.md)