---
title: "A2s vs 65s: preflop equity"
url: "https://georgelipoker.com/equity/a2s-vs-65s.md"
canonical_url: "https://georgelipoker.com/equity/a2s-vs-65s"
last_updated: "2026-10-23"
type: "reference"
summary: "Who is ahead, A2s or 65s? A2s leads 55.37% to 44.63% before the flop, counted exactly over every board, with the split by flop type and suit."
related: ["https://georgelipoker.com/equity/a2s-vs-54s.md", "https://georgelipoker.com/equity/a2s-vs-64s.md", "https://georgelipoker.com/equity/qto-vs-65s.md"]
---

# A2s vs 65s: preflop equity

Who is ahead, A2s or 65s? A2s leads 55.37% to 44.63% before the flop, counted exactly over every board, with the split by flop type and suit.

Dealt all in against each other, A2s takes 55.37% of the pot on average and 65s takes the other 44.63%.

## A2s against 65s: the numbers

**Exact preflop results for A2s against 65s, in percent**

| 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.

**Boards behind the percentages: 27,396,864 counted in all**

| 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.

**A2s against 65s read as odds**

| 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.

**A2s against 65s by flop texture, in percent**

| 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.

**A2s and 65s 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 |
| --- | --- | --- | --- | --- |
| 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.

**A2s against 65s by suit overlap, in percent**

| 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.

- [Open As2s against 6h5h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As2s&p2=6h5h)
- [A2s combos](https://georgelipoker.com/combos/a2s.md)
- [65s combos](https://georgelipoker.com/combos/65s.md)
- [A2s vs 54s](https://georgelipoker.com/equity/a2s-vs-54s.md)
- [A2s vs 64s](https://georgelipoker.com/equity/a2s-vs-64s.md)
- [QTo vs 65s](https://georgelipoker.com/equity/qto-vs-65s.md)
- [All hand matchups](https://georgelipoker.com/equity.md)

## 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.

## Related

- [A2s vs 54s: preflop equity](https://georgelipoker.com/equity/a2s-vs-54s.md)
- [A2s vs 64s: preflop equity](https://georgelipoker.com/equity/a2s-vs-64s.md)
- [QTo vs 65s: preflop equity](https://georgelipoker.com/equity/qto-vs-65s.md)