--- title: "JTo vs T9s: preflop equity" url: "https://georgelipoker.com/equity/jto-vs-t9s.md" canonical_url: "https://georgelipoker.com/equity/jto-vs-t9s" last_updated: "2026-10-23" type: "reference" summary: "JTo is a big favorite over T9s before the flop: 69.17% to 30.84% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/jto-vs-33.md", "https://georgelipoker.com/equity/jto-vs-t8s.md", "https://georgelipoker.com/equity/j9s-vs-t9s.md"] --- # JTo vs T9s: preflop equity JTo is a big favorite over T9s before the flop: 69.17% to 30.84% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, JTo is ahead of T9s by 38.34 points of equity, 69.17% to 30.83%. ## JTo against T9s: the numbers **Exact preflop results for JTo against T9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | JTo | 66.674 | 4.981 | 28.345 | 69.165 | | T9s | 28.345 | 4.981 | 66.674 | 30.835 | Here an offsuit hand (JTo) meets a suited hand (T9s). Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up. A lead of 38.34 points is large but not decisive: T9s still takes about 283 of every 1,000 deals. About 4.98% of boards chop the pot, which is why equity sits slightly above the win figure for both hands. By strength against a random hand, JTo holds place 57 of 169 and T9s holds place 64. **Boards behind the percentages: 61,642,944 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | JTo | 41,100,000 | 3,070,000 | 17,473,000 | | T9s | 17,473,000 | 3,070,000 | 41,100,000 | The board total is exact, 36 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **JTo against T9s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | JTo | 2.243 | 1.500 | 3.528 | 0.446 | | T9s | 0.446 | 3.528 | 1.500 | 2.243 | 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 By flop texture, JTo's equity runs from 61.60% on low rainbow flops (nine high or lower) up to 73.98% on rainbow flops topped by a ten or better. JTo stays ahead on all five textures. **JTo against T9s by flop texture, in percent** | Flop | Share of flops | JTo wins | Ties | T9s wins | JTo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.905 | 71.492 | 4.976 | 23.532 | 73.980 | | Rainbow, nine or lower | 7.042 | 60.970 | 1.263 | 37.767 | 61.601 | | Two-tone | 46.527 | 65.749 | 3.936 | 30.315 | 67.717 | | Monotone | 5.192 | 62.344 | 5.147 | 32.509 | 64.918 | | Paired | 17.334 | 66.129 | 9.251 | 24.620 | 70.755 | 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, 55.25% for JTo and 54.03% for T9s. This opponent changes them by +13.92 and -23.20 points. **JTo and T9s 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 | | --- | --- | --- | --- | --- | | JTo, all flops | 69.165 | 55.248 | +13.917 | 1.25190 | | JTo, rainbow, ten or higher | 73.980 | 55.248 | +18.732 | 1.33905 | | JTo, rainbow, nine or lower | 61.601 | 55.248 | +6.353 | 1.11499 | | JTo, two-tone | 67.717 | 55.248 | +12.469 | 1.22569 | | JTo, monotone | 64.918 | 55.248 | +9.670 | 1.17503 | | JTo, paired | 70.755 | 55.248 | +15.507 | 1.28068 | | T9s, all flops | 30.835 | 54.028 | -23.193 | 0.57072 | | T9s, rainbow, ten or higher | 26.020 | 54.028 | -28.008 | 0.48160 | | T9s, rainbow, nine or lower | 38.399 | 54.028 | -15.629 | 0.71072 | | T9s, two-tone | 32.283 | 54.028 | -21.745 | 0.59752 | | T9s, monotone | 35.082 | 54.028 | -18.946 | 0.64933 | | T9s, paired | 29.245 | 54.028 | -24.783 | 0.54129 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common JTo has 70.12% equity, and with none in common it has 68.69%. JTo does better with a shared suit, by 1.43 points. **JTo against T9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | JTo wins | Ties | T9s wins | JTo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 33.33 | 67.569 | 5.104 | 27.327 | 70.121 | | No shared suit | 24 | 66.67 | 66.227 | 4.919 | 28.854 | 68.686 | ## How often this matchup comes up JTo against T9s is made up of 36 specific-card matchups in one seat order, 0.0022% of the 1,624,350 ordered deals, and 72 counting both seat orders, 0.0044%. ## A worked example Put $100 each into a $200 pot and deal every board once: JTo averages $138.34 back, ahead of its $100 by $38.34, while T9s averages $61.66, short of its $100 by $38.34. Scaled to 1,000 deals, that is roughly 667 wins for JTo, 283 for T9s and 50 chopped pots. ## The same matchup from the other side Swap the hands and you get T9s with 30.83% against JTo with 69.17%. We keep one page per matchup, with the better-ranked hand first. ## Keep exploring The calculator link fills in JsTh against Td9d, 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 JsTh against Td9d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=JsTh&p2=Td9d) - [JTo combos](https://georgelipoker.com/combos/jto.md) - [T9s combos](https://georgelipoker.com/combos/t9s.md) - [JTo vs 33](https://georgelipoker.com/equity/jto-vs-33.md) - [JTo vs T8s](https://georgelipoker.com/equity/jto-vs-t8s.md) - [J9s vs T9s](https://georgelipoker.com/equity/j9s-vs-t9s.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 36 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 - [JTo vs 33: preflop equity](https://georgelipoker.com/equity/jto-vs-33.md) - [JTo vs T8s: preflop equity](https://georgelipoker.com/equity/jto-vs-t8s.md) - [J9s vs T9s: preflop equity](https://georgelipoker.com/equity/j9s-vs-t9s.md)