A8s
55.25%
Wins 55.01%, ties 0.47%
JTs
44.75%
Wins 44.52%, ties 0.47%
A8s against JTs: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| A8s | 55.010 | 0.472 | 44.518 | 55.246 |
| JTs | 44.518 | 0.472 | 55.010 | 44.754 |
A8s and JTs are both suited hands. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.
A 10.50 point lead is real, and JTs still takes about 445 of every 1,000 deals outright. The tie share is 0.47%: on those boards the pot is chopped and neither hand wins outright.
In the ranking of all 169 starting hands, A8s is number 21 and JTs is number 45.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| A8s | 15,071,000 | 129,000 | 12,197,000 |
| JTs | 12,197,000 | 129,000 | 15,071,000 |
The board total is exact, 16 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| A8s | 1.234 | 1.818 | 2.246 | 0.810 |
| JTs | 0.810 | 2.246 | 1.818 | 1.234 |
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
If you know the kind of flop that came, the numbers shift: A8s holds 69.52% on low rainbow flops (nine high or lower) and 49.75% on rainbow flops topped by a ten or better. JTs takes over on rainbow flops topped by a ten or better, so the favorite before the flop is the underdog on those boards.
| Flop | Share of flops | A8s wins | Ties | JTs wins | A8s equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 23.867 | 49.681 | 0.146 | 50.173 | 49.754 |
| Rainbow, nine or lower | 7.042 | 69.211 | 0.619 | 30.170 | 69.520 |
| Two-tone | 46.727 | 53.868 | 0.229 | 45.903 | 53.983 |
| Monotone | 5.273 | 51.325 | 3.394 | 45.281 | 53.022 |
| Paired | 17.091 | 60.859 | 0.628 | 38.513 | 61.173 |
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
Each hand has a baseline against a random hand: 61.94% for A8s, 57.53% for JTs. Here the change is -6.69 and -12.78 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| A8s, all flops | 55.246 | 61.944 | -6.698 | 0.89187 |
| A8s, rainbow, ten or higher | 49.754 | 61.944 | -12.190 | 0.80321 |
| A8s, rainbow, nine or lower | 69.520 | 61.944 | +7.576 | 1.12230 |
| A8s, two-tone | 53.983 | 61.944 | -7.961 | 0.87148 |
| A8s, monotone | 53.022 | 61.944 | -8.922 | 0.85597 |
| A8s, paired | 61.173 | 61.944 | -0.771 | 0.98755 |
| JTs, all flops | 44.754 | 57.528 | -12.774 | 0.77795 |
| JTs, rainbow, ten or higher | 50.246 | 57.528 | -7.282 | 0.87342 |
| JTs, rainbow, nine or lower | 30.480 | 57.528 | -27.048 | 0.52983 |
| JTs, two-tone | 46.017 | 57.528 | -11.511 | 0.79991 |
| JTs, monotone | 46.978 | 57.528 | -10.550 | 0.81661 |
| JTs, paired | 38.827 | 57.528 | -18.701 | 0.67492 |
Does a shared suit matter?
The suit split reads 56.97% for A8s with a shared suit and 54.67% without one. A8s does better with a shared suit, by 2.30 points.
| Deals | Specific deals | Share of deals | A8s wins | Ties | JTs wins | A8s equity |
|---|---|---|---|---|---|---|
| Share a suit | 4 | 25.00 | 56.697 | 0.546 | 42.757 | 56.970 |
| No shared suit | 12 | 75.00 | 54.447 | 0.448 | 45.105 | 54.671 |
How often this matchup comes up
A8s against JTs 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
Put $100 each into a $200 pot and deal every board once: A8s averages $110.50 back, ahead of its $100 by $10.50, while JTs averages $89.50, short of its $100 by $10.50.
Out of 1,000 deals you should see around 550 outright wins for A8s, 445 for JTs, and 5 split pots.
The same matchup from the other side
JTs versus A8s is this same page seen from the other hand: 44.75% for JTs, 55.25% for A8s.
Keep exploring
The calculator link fills in As8s against JhTh, 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.
How this was computed
This is an exact count with no sampling. For the 16 ways to deal one A8s and one JTs without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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