--- title: "JTs vs JTo: preflop equity" url: "https://georgelipoker.com/equity/jts-vs-jto.md" canonical_url: "https://georgelipoker.com/equity/jts-vs-jto" last_updated: "2026-10-23" type: "reference" summary: "JTs vs JTo is close to a coin flip before the flop: 52.49% to 47.51% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/jts-vs-t9s.md", "https://georgelipoker.com/equity/jts-vs-33.md", "https://georgelipoker.com/equity/a2s-vs-jto.md"] --- # JTs vs JTo: preflop equity JTs vs JTo is close to a coin flip before the flop: 52.49% to 47.51% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, JTs is ahead of JTo by 4.98 points of equity, 52.49% to 47.51%. ## JTs against JTo: the numbers **Exact preflop results for JTs against JTo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | JTs | 7.158 | 90.669 | 2.173 | 52.492 | | JTo | 2.173 | 90.669 | 7.158 | 47.508 | The matchup pits a suited hand against an offsuit hand. Same ranks, different suit pattern: the whole gap comes from flush chances. With only 4.98 points between them, the board decides this matchup far more than the cards in hand. Split pots make up 90.67% of the boards, and both equity figures count them as half a win each. The hand ranking puts JTs at 45 and JTo at 57 out of 169 starting hands. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | JTs | 2,942,000 | 37,261,000 | 893,000 | | JTo | 893,000 | 37,261,000 | 2,942,000 | 24 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. **JTs against JTo 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 | 1.105 | 13.970 | 46.019 | 0.905 | | JTo | 0.905 | 46.019 | 13.970 | 1.105 | 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 Two-tone flops are the best for JTs (53.28%); monotone flops are the worst (50.28%). JTs stays ahead on all five textures. **JTs against JTo by flop texture, in percent** | Flop | Share of flops | JTs wins | Ties | JTo wins | JTs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.138 | 3.265 | 96.735 | 0.000 | 51.633 | | Rainbow, nine or lower | 7.771 | 3.409 | 96.591 | 0.000 | 51.705 | | Two-tone | 46.363 | 8.829 | 88.901 | 2.270 | 53.280 | | Monotone | 5.152 | 18.514 | 63.539 | 17.947 | 50.283 | | Paired | 17.576 | 6.201 | 92.681 | 1.118 | 52.541 | 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 A random hand would give JTs 57.53% and JTo 55.25%. Against each other the change is -5.04 points for JTs and -7.74 for JTo. **JTs and JTo 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 | 52.492 | 57.528 | -5.036 | 0.91246 | | JTs, rainbow, ten or higher | 51.633 | 57.528 | -5.895 | 0.89753 | | JTs, rainbow, nine or lower | 51.705 | 57.528 | -5.823 | 0.89878 | | JTs, two-tone | 53.280 | 57.528 | -4.248 | 0.92616 | | JTs, monotone | 50.283 | 57.528 | -7.245 | 0.87406 | | JTs, paired | 52.541 | 57.528 | -4.987 | 0.91331 | | JTo, all flops | 47.508 | 55.248 | -7.740 | 0.85990 | | JTo, rainbow, ten or higher | 48.367 | 55.248 | -6.881 | 0.87545 | | JTo, rainbow, nine or lower | 48.295 | 55.248 | -6.953 | 0.87415 | | JTo, two-tone | 46.720 | 55.248 | -8.528 | 0.84564 | | JTo, monotone | 49.717 | 55.248 | -5.531 | 0.89989 | | JTo, paired | 47.459 | 55.248 | -7.789 | 0.85902 | ## Does a shared suit matter? These two classes cannot share a suit in any legal deal, so there is only one row to read: JTs holds 52.49% in every deal of this matchup. **JTs against JTo by suit overlap, in percent** | Deals | Specific deals | Share of deals | JTs wins | Ties | JTo wins | JTs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 0 | 0.00 | not possible | not possible | not possible | not possible | | No shared suit | 24 | 100.00 | 7.158 | 90.669 | 2.173 | 52.492 | ## How often this matchup comes up How often does it happen? 24 of the 1,624,350 ordered deals (0.0015%) are JTs against JTo, and 48 (0.0030%) if either hand may sit in either seat. ## A worked example Worked example: both players commit $100, so $200 sits in the middle. Over every board, JTs' average share is $104.98 (a gain of $4.98) and JTo's is $95.02 (a loss of $4.98). Over a long run, 1,000 deals split into about 71 for JTs, 22 for JTo and 907 tied. ## The same matchup from the other side If you came looking for JTo against JTs, the numbers are the same with the hands swapped: 47.51% and 52.49%. ## Keep exploring Try JsTs against JhTd 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 JsTs against JhTd in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=JsTs&p2=JhTd) - [JTs combos](https://georgelipoker.com/combos/jts.md) - [JTo combos](https://georgelipoker.com/combos/jto.md) - [JTs vs T9s](https://georgelipoker.com/equity/jts-vs-t9s.md) - [JTs vs 33](https://georgelipoker.com/equity/jts-vs-33.md) - [A2s vs JTo](https://georgelipoker.com/equity/a2s-vs-jto.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed We counted every case. Each suit pattern of the 24 specific JTs against JTo deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [JTs vs T9s: preflop equity](https://georgelipoker.com/equity/jts-vs-t9s.md) - [JTs vs 33: preflop equity](https://georgelipoker.com/equity/jts-vs-33.md) - [A2s vs JTo: preflop equity](https://georgelipoker.com/equity/a2s-vs-jto.md)