A2s
55.37%
Wins 55.09%, ties 0.58%
65s
44.63%
Wins 44.33%, ties 0.58%
A2s against 65s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| A2s | 55.086 | 0.576 | 44.338 | 55.374 |
| 65s | 44.338 | 0.576 | 55.086 | 44.626 |
A2s and 65s are both suited hands. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.
A2s is ahead, but 65s is far from dead: it takes 443 of every 1,000 deals outright. A split pot comes up on 0.58% of boards, so the wins and the equity differ by half of that.
By strength against a random hand, A2s holds place 46 of 169 and 65s holds place 128.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| A2s | 15,092,000 | 158,000 | 12,147,000 |
| 65s | 12,147,000 | 158,000 | 15,092,000 |
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 | 1.241 | 1.815 | 2.255 | 0.806 |
| 65s | 0.806 | 2.255 | 1.815 | 1.241 |
The final column gives the least the pot must offer for each unit called for a call to break even at this equity.
Who is ahead on which flops
Break the boards down by their first three cards and A2s is strongest on paired flops (61.89%) and weakest on low rainbow flops (nine high or lower) (30.70%). Low rainbow flops (nine high or lower) favor 65s, the hand that is behind overall.
| Flop | Share of flops | A2s wins | Ties | 65s wins | A2s equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 25.220 | 59.380 | 0.255 | 40.365 | 59.507 |
| Rainbow, nine or lower | 5.689 | 30.245 | 0.908 | 68.847 | 30.699 |
| Two-tone | 46.727 | 53.841 | 0.335 | 45.824 | 54.008 |
| Monotone | 5.273 | 51.451 | 3.508 | 45.041 | 53.205 |
| Paired | 17.091 | 61.545 | 0.694 | 37.761 | 61.892 |
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
How much does the opponent matter? Compared with its random-hand 57.38%, A2s changes by -2.01 points, and 65s, from 43.13%, by +1.50.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| A2s, all flops | 55.374 | 57.379 | -2.005 | 0.96506 |
| A2s, rainbow, ten or higher | 59.507 | 57.379 | +2.128 | 1.03709 |
| A2s, rainbow, nine or lower | 30.699 | 57.379 | -26.680 | 0.53502 |
| A2s, two-tone | 54.008 | 57.379 | -3.371 | 0.94125 |
| A2s, monotone | 53.205 | 57.379 | -4.174 | 0.92726 |
| A2s, paired | 61.892 | 57.379 | +4.513 | 1.07865 |
| 65s, all flops | 44.626 | 43.133 | +1.493 | 1.03461 |
| 65s, rainbow, ten or higher | 40.493 | 43.133 | -2.640 | 0.93879 |
| 65s, rainbow, nine or lower | 69.301 | 43.133 | +26.168 | 1.60668 |
| 65s, two-tone | 45.992 | 43.133 | +2.859 | 1.06628 |
| 65s, monotone | 46.795 | 43.133 | +3.662 | 1.08490 |
| 65s, paired | 38.108 | 43.133 | -5.025 | 0.88350 |
Does a shared suit matter?
Split by suits, the deals give A2s 57.03% when the hands overlap in a suit and 54.82% when they do not. A2s does better with a shared suit, by 2.21 points.
| Deals | Specific deals | Share of deals | A2s wins | Ties | 65s wins | A2s equity |
|---|---|---|---|---|---|---|
| Share a suit | 4 | 25.00 | 56.703 | 0.660 | 42.637 | 57.033 |
| No shared suit | 12 | 75.00 | 54.547 | 0.548 | 44.905 | 54.821 |
How often this matchup comes up
Counting specific cards, A2s against 65s appears in 16 of the 1,624,350 ordered heads-up deals (0.0010%), and in 32 when the seats are swapped too (0.0020%).
A worked example
Try it with money: two players each put in $100 and the whole board runs out every possible way. A2s averages $110.74 from the $200, up $10.74; 65s averages $89.26, down $10.74.
Out of 1,000 deals you should see around 551 outright wins for A2s, 443 for 65s, and 6 split pots.
The same matchup from the other side
The reversed view, 65s against A2s, shows 44.63% for 65s and 55.37% for A2s. It is the same count, so it redirects here.
Keep exploring
Open the calculator with As2s against 6h5h already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.
How this was computed
The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 16 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.
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