A2s
55.71%
Wins 55.44%, ties 0.53%
J9s
44.29%
Wins 44.03%, ties 0.53%
A2s against J9s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| A2s | 55.443 | 0.526 | 44.031 | 55.706 |
| J9s | 44.031 | 0.526 | 55.443 | 44.294 |
A2s meets J9s, and both are suited hands. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.
A 11.42 point lead is real, and J9s still takes about 440 of every 1,000 deals outright. Ties are 0.53% of the outcomes here; each tied board gives both hands half the pot.
By strength against a random hand, A2s holds place 46 of 169 and J9s holds place 55.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| A2s | 15,190,000 | 144,000 | 12,063,000 |
| J9s | 12,063,000 | 144,000 | 15,190,000 |
Exact total: 16 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.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| A2s | 1.258 | 1.804 | 2.271 | 0.795 |
| J9s | 0.795 | 2.271 | 1.804 | 1.258 |
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
The flop changes the picture. A2s does best on paired flops, at 61.26%, and worst on monotone flops, at 53.61%. A2s stays ahead on all five textures.
| Flop | Share of flops | A2s wins | Ties | J9s wins | A2s equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 24.543 | 54.757 | 0.165 | 45.078 | 54.840 |
| Rainbow, nine or lower | 6.366 | 54.080 | 0.911 | 45.009 | 54.535 |
| Two-tone | 46.727 | 54.384 | 0.286 | 45.330 | 54.527 |
| Monotone | 5.273 | 51.895 | 3.438 | 44.667 | 53.614 |
| Paired | 17.091 | 60.926 | 0.657 | 38.417 | 61.255 |
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
The table below sets each hand against its own random-hand baseline: a change of -1.67 points for A2s, from 57.38%, and -11.37 for J9s, from 55.66%.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| A2s, all flops | 55.706 | 57.379 | -1.673 | 0.97084 |
| A2s, rainbow, ten or higher | 54.840 | 57.379 | -2.539 | 0.95575 |
| A2s, rainbow, nine or lower | 54.535 | 57.379 | -2.844 | 0.95043 |
| A2s, two-tone | 54.527 | 57.379 | -2.852 | 0.95030 |
| A2s, monotone | 53.614 | 57.379 | -3.765 | 0.93438 |
| A2s, paired | 61.255 | 57.379 | +3.876 | 1.06755 |
| J9s, all flops | 44.294 | 55.662 | -11.368 | 0.79577 |
| J9s, rainbow, ten or higher | 45.160 | 55.662 | -10.502 | 0.81133 |
| J9s, rainbow, nine or lower | 45.465 | 55.662 | -10.197 | 0.81681 |
| J9s, two-tone | 45.473 | 55.662 | -10.189 | 0.81695 |
| J9s, monotone | 46.386 | 55.662 | -9.276 | 0.83335 |
| J9s, paired | 38.745 | 55.662 | -16.917 | 0.69608 |
Does a shared suit matter?
The suit split reads 57.41% for A2s with a shared suit and 55.14% without one. A2s does better with a shared suit, by 2.27 points.
| Deals | Specific deals | Share of deals | A2s wins | Ties | J9s wins | A2s equity |
|---|---|---|---|---|---|---|
| Share a suit | 4 | 25.00 | 57.104 | 0.608 | 42.288 | 57.408 |
| No shared suit | 12 | 75.00 | 54.889 | 0.499 | 44.612 | 55.139 |
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
Say each player puts $100 in before the flop, making a $200 pot. On average A2s takes back $111.42 of it, which is $11.42 more than it put in, and J9s takes back $88.58, $11.42 less than it put in.
Per 1,000 deals: A2s wins about 555, J9s wins about 440, and about 5 end in a split pot.
The same matchup from the other side
Swap the hands and you get J9s with 44.29% against A2s with 55.71%. We keep one page per matchup, with the better-ranked hand first.
Keep exploring
Try As2s 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.
Bring your own hands to a session
Review the spots you actually play against these numbers in a Game Assessment, and leave with a one-page written plan.
Book a session