A5s
56.17%
Wins 55.92%, ties 0.51%
J9s
43.83%
Wins 43.57%, ties 0.51%
A5s against J9s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| A5s | 55.920 | 0.505 | 43.575 | 56.172 |
| J9s | 43.575 | 0.505 | 55.920 | 43.828 |
This is a contest between two suited hands, A5s and J9s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.
A5s is ahead, but J9s is far from dead: it takes 436 of every 1,000 deals outright. Split pots make up 0.51% of the boards, and both equity figures count them as half a win each.
A5s ranks number 30 of 169 starting hands, and J9s ranks number 55, by equity against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| A5s | 15,320,000 | 138,000 | 11,938,000 |
| J9s | 11,938,000 | 138,000 | 15,320,000 |
16 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.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| A5s | 1.282 | 1.788 | 2.295 | 0.780 |
| J9s | 0.780 | 2.295 | 1.788 | 1.282 |
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
A5s prefers paired flops, where it holds 61.40%, and likes monotone flops least, where it holds 53.98%. A5s stays ahead on all five textures.
| Flop | Share of flops | A5s wins | Ties | J9s wins | A5s equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 24.543 | 54.972 | 0.165 | 44.863 | 55.054 |
| Rainbow, nine or lower | 6.366 | 56.204 | 0.777 | 43.019 | 56.592 |
| Two-tone | 46.727 | 54.907 | 0.266 | 44.827 | 55.040 |
| Monotone | 5.273 | 52.265 | 3.427 | 44.308 | 53.979 |
| Paired | 17.091 | 61.072 | 0.645 | 38.283 | 61.395 |
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
The table below sets each hand against its own random-hand baseline: a change of -3.75 points for A5s, from 59.92%, and -11.83 for J9s, from 55.66%.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| A5s, all flops | 56.172 | 59.923 | -3.751 | 0.93740 |
| A5s, rainbow, ten or higher | 55.054 | 59.923 | -4.869 | 0.91875 |
| A5s, rainbow, nine or lower | 56.592 | 59.923 | -3.331 | 0.94441 |
| A5s, two-tone | 55.040 | 59.923 | -4.883 | 0.91851 |
| A5s, monotone | 53.979 | 59.923 | -5.944 | 0.90081 |
| A5s, paired | 61.395 | 59.923 | +1.472 | 1.02456 |
| J9s, all flops | 43.828 | 55.662 | -11.834 | 0.78740 |
| J9s, rainbow, ten or higher | 44.946 | 55.662 | -10.716 | 0.80748 |
| J9s, rainbow, nine or lower | 43.408 | 55.662 | -12.254 | 0.77985 |
| J9s, two-tone | 44.960 | 55.662 | -10.702 | 0.80773 |
| J9s, monotone | 46.021 | 55.662 | -9.641 | 0.82679 |
| J9s, paired | 38.605 | 55.662 | -17.057 | 0.69356 |
Does a shared suit matter?
Suit overlap shows up in the numbers. With a suit in common A5s has 57.92% equity, and with none in common it has 55.59%. A5s does better with a shared suit, by 2.33 points.
| Deals | Specific deals | Share of deals | A5s wins | Ties | J9s wins | A5s equity |
|---|---|---|---|---|---|---|
| Share a suit | 4 | 25.00 | 57.627 | 0.585 | 41.788 | 57.920 |
| No shared suit | 12 | 75.00 | 55.351 | 0.478 | 44.171 | 55.590 |
How often this matchup comes up
This page stands for 16 specific-card matchups (0.0010% of 1,624,350 ordered deals), or 32 once you count the seats both ways (0.0020%).
A worked example
To see what the equity is worth, imagine $100 each in a $200 pot. A5s is worth $112.34 on average (+$12.34); J9s is worth $87.66 (-$12.34).
Over a long run, 1,000 deals split into about 559 for A5s, 436 for J9s and 5 tied.
The same matchup from the other side
The reversed view, J9s against A5s, shows 43.83% for J9s and 56.17% for A5s. It is the same count, so it redirects here.
Keep exploring
Try As5s against Jh9h 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.
How this was computed
Each figure is a complete count over boards. Take the 16 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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