--- title: "A7s vs JTo: preflop equity" url: "https://georgelipoker.com/equity/a7s-vs-jto.md" canonical_url: "https://georgelipoker.com/equity/a7s-vs-jto" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, A7s or JTo? A7s leads 57.38% to 42.62% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a7s-vs-t9s.md", "https://georgelipoker.com/equity/a7s-vs-33.md", "https://georgelipoker.com/equity/a9o-vs-jto.md"] --- # A7s vs JTo: preflop equity Who is ahead, A7s or JTo? A7s leads 57.38% to 42.62% before the flop, counted exactly over every board, with the split by flop type and suit. Counting every board, the equity split is 57.38% for A7s and 42.62% for JTo, so A7s leads by 14.76 points. ## A7s against JTo: the numbers **Exact preflop results for A7s against JTo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A7s | 57.169 | 0.422 | 42.409 | 57.380 | | JTo | 42.409 | 0.422 | 57.169 | 42.620 | The first hand is a suited hand; the second is an offsuit hand. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. The lead is steady rather than large, and the flop still has plenty of say in who wins. Split pots make up 0.42% of the boards, and both equity figures count them as half a win each. The hand ranking puts A7s at 24 and JTo at 57 out of 169 starting hands. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A7s | 46,988,000 | 347,000 | 34,856,000 | | JTo | 34,856,000 | 347,000 | 46,988,000 | Exact total: 48 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. **A7s 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) | | --- | --- | --- | --- | --- | | A7s | 1.346 | 1.749 | 2.358 | 0.743 | | JTo | 0.743 | 2.358 | 1.749 | 1.346 | 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 Across the five flop textures A7s' equity moves by 21.23 points, from 50.31% on rainbow flops topped by a ten or better to 71.54% on low rainbow flops (nine high or lower). A7s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **A7s against JTo by flop texture, in percent** | Flop | Share of flops | A7s wins | Ties | JTo wins | A7s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.988 | 50.231 | 0.165 | 49.604 | 50.313 | | Rainbow, nine or lower | 7.042 | 71.255 | 0.574 | 28.171 | 71.542 | | Two-tone | 46.667 | 56.789 | 0.239 | 42.972 | 56.909 | | Monotone | 5.212 | 53.384 | 2.349 | 44.267 | 54.558 | | Paired | 17.091 | 63.296 | 0.632 | 36.072 | 63.612 | Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank. ## Compared with a random hand Each hand has a baseline against a random hand: 60.98% for A7s, 55.25% for JTo. Here the change is -3.60 and -12.63 points. **A7s 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 | | --- | --- | --- | --- | --- | | A7s, all flops | 57.380 | 60.984 | -3.604 | 0.94090 | | A7s, rainbow, ten or higher | 50.313 | 60.984 | -10.671 | 0.82502 | | A7s, rainbow, nine or lower | 71.542 | 60.984 | +10.558 | 1.17313 | | A7s, two-tone | 56.909 | 60.984 | -4.075 | 0.93318 | | A7s, monotone | 54.558 | 60.984 | -6.426 | 0.89463 | | A7s, paired | 63.612 | 60.984 | +2.628 | 1.04309 | | JTo, all flops | 42.620 | 55.248 | -12.628 | 0.77143 | | JTo, rainbow, ten or higher | 49.687 | 55.248 | -5.561 | 0.89934 | | JTo, rainbow, nine or lower | 28.458 | 55.248 | -26.790 | 0.51510 | | JTo, two-tone | 43.091 | 55.248 | -12.157 | 0.77996 | | JTo, monotone | 45.442 | 55.248 | -9.806 | 0.82251 | | JTo, paired | 36.388 | 55.248 | -18.860 | 0.65863 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common A7s has 57.03% equity, and with none in common it has 57.74%. A7s does better with no shared suit, by 0.71 points. **A7s against JTo by suit overlap, in percent** | Deals | Specific deals | Share of deals | A7s wins | Ties | JTo wins | A7s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 56.794 | 0.463 | 42.743 | 57.026 | | No shared suit | 24 | 50.00 | 57.545 | 0.380 | 42.075 | 57.735 | ## How often this matchup comes up Exactly 48 specific deals fit this matchup in one seat order, which is 0.0030% of 1,624,350; both orders together give 96, or 0.0059%. ## A worked example Say each player puts $100 in before the flop, making a $200 pot. On average A7s takes back $114.76 of it, which is $14.76 more than it put in, and JTo takes back $85.24, $14.76 less than it put in. Think in thousands: about 572 of 1,000 go to A7s, about 424 go to JTo, and about 4 are chopped. ## The same matchup from the other side JTo versus A7s is this same page seen from the other hand: 42.62% for JTo, 57.38% for A7s. ## Keep exploring As7s against JhTd 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 As7s against JhTd in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As7s&p2=JhTd) - [A7s combos](https://georgelipoker.com/combos/a7s.md) - [JTo combos](https://georgelipoker.com/combos/jto.md) - [A7s vs T9s](https://georgelipoker.com/equity/a7s-vs-t9s.md) - [A7s vs 33](https://georgelipoker.com/equity/a7s-vs-33.md) - [A9o vs JTo](https://georgelipoker.com/equity/a9o-vs-jto.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed We counted every case. Each suit pattern of the 48 specific A7s 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 - [A7s vs T9s: preflop equity](https://georgelipoker.com/equity/a7s-vs-t9s.md) - [A7s vs 33: preflop equity](https://georgelipoker.com/equity/a7s-vs-33.md) - [A9o vs JTo: preflop equity](https://georgelipoker.com/equity/a9o-vs-jto.md)