---
title: "A8s vs 65s: preflop equity"
url: "https://georgelipoker.com/equity/a8s-vs-65s.md"
canonical_url: "https://georgelipoker.com/equity/a8s-vs-65s"
last_updated: "2026-10-23"
type: "reference"
summary: "A8s is a big favorite over 65s before the flop: 61.34% to 38.66% equity, counted exactly over every board, with the split by flop type and suit."
related: ["https://georgelipoker.com/equity/a8s-vs-54s.md", "https://georgelipoker.com/equity/a8s-vs-64s.md", "https://georgelipoker.com/equity/kts-vs-65s.md"]
---

# A8s vs 65s: preflop equity

A8s is a big favorite over 65s before the flop: 61.34% to 38.66% equity, counted exactly over every board, with the split by flop type and suit.

Counting every board, the equity split is 61.34% for A8s and 38.66% for 65s, so A8s leads by 22.68 points.

## A8s against 65s: the numbers

**Exact preflop results for A8s against 65s, in percent**

| Hand | Wins | Ties | Loses | Equity |
| --- | --- | --- | --- | --- |
| A8s | 61.088 | 0.507 | 38.405 | 61.342 |
| 65s | 38.405 | 0.507 | 61.088 | 38.658 |

Here suited hands face each other, A8s on one side and 65s on the other. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

The lead is steady rather than large, and the flop still has plenty of say in who wins. The tie share is 0.51%: on those boards the pot is chopped and neither hand wins outright.

Among the 169 starting hands, A8s is number 21 and 65s is number 128 by strength against a random hand.

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

| Hand | Boards won, about | Boards tied, about | Boards lost, about |
| --- | --- | --- | --- |
| A8s | 16,736,000 | 139,000 | 10,522,000 |
| 65s | 10,522,000 | 139,000 | 16,736,000 |

The total is exact: 16 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand.

**A8s 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) |
| --- | --- | --- | --- | --- |
| A8s | 1.587 | 1.637 | 2.604 | 0.630 |
| 65s | 0.630 | 2.604 | 1.637 | 1.587 |

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

Break the boards down by their first three cards and A8s is strongest on rainbow flops topped by a ten or better (65.59%) and weakest on low rainbow flops (nine high or lower) (41.86%). 65s is ahead on low rainbow flops (nine high or lower), even though it trails A8s when every flop is counted.

**A8s against 65s by flop texture, in percent**

| Flop | Share of flops | A8s wins | Ties | 65s wins | A8s equity |
| --- | --- | --- | --- | --- | --- |
| Rainbow, ten or higher | 25.220 | 65.489 | 0.210 | 34.301 | 65.594 |
| Rainbow, nine or lower | 5.689 | 41.544 | 0.623 | 57.833 | 41.855 |
| Two-tone | 46.727 | 60.340 | 0.261 | 39.399 | 60.471 |
| Monotone | 5.273 | 56.925 | 3.459 | 39.616 | 58.655 |
| Paired | 17.091 | 64.430 | 0.669 | 34.901 | 64.764 |

Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.

## Compared with a random hand

The table below sets each hand against its own random-hand baseline: a change of -0.60 points for A8s, from 61.94%, and -4.47 for 65s, from 43.13%.

**A8s 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 |
| --- | --- | --- | --- | --- |
| A8s, all flops | 61.342 | 61.944 | -0.602 | 0.99028 |
| A8s, rainbow, ten or higher | 65.594 | 61.944 | +3.650 | 1.05892 |
| A8s, rainbow, nine or lower | 41.855 | 61.944 | -20.089 | 0.67569 |
| A8s, two-tone | 60.471 | 61.944 | -1.473 | 0.97622 |
| A8s, monotone | 58.655 | 61.944 | -3.289 | 0.94690 |
| A8s, paired | 64.764 | 61.944 | +2.820 | 1.04552 |
| 65s, all flops | 38.658 | 43.133 | -4.475 | 0.89625 |
| 65s, rainbow, ten or higher | 34.406 | 43.133 | -8.727 | 0.79767 |
| 65s, rainbow, nine or lower | 58.145 | 43.133 | +15.012 | 1.34804 |
| 65s, two-tone | 39.529 | 43.133 | -3.604 | 0.91644 |
| 65s, monotone | 41.345 | 43.133 | -1.788 | 0.95855 |
| 65s, paired | 35.236 | 43.133 | -7.897 | 0.81692 |

## Does a shared suit matter?

Of the deals of this matchup, 4 share a suit (A8s at 63.52%) and 12 do not (60.61%). A8s does better with a shared suit, by 2.91 points.

**A8s against 65s by suit overlap, in percent**

| Deals | Specific deals | Share of deals | A8s wins | Ties | 65s wins | A8s equity |
| --- | --- | --- | --- | --- | --- | --- |
| Share a suit | 4 | 25.00 | 63.233 | 0.583 | 36.184 | 63.524 |
| No shared suit | 12 | 75.00 | 60.373 | 0.482 | 39.145 | 60.614 |

## How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 16 are A8s in one seat and 65s in the other (0.0010%); with the seats swapped too, 32 (0.0020%).

## A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. A8s is worth $122.68 on average (+$22.68); 65s is worth $77.32 (-$22.68).

In 1,000 deals of exactly this matchup, expect about 611 won outright by A8s, about 384 won outright by 65s and about 5 split.

## The same matchup from the other side

The mirror image, 65s against A8s, is 38.66% to 61.34%, and its address redirects to this page.

## Keep exploring

Open the calculator with As8s 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 As8s against 6h5h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As8s&p2=6h5h)
- [A8s combos](https://georgelipoker.com/combos/a8s.md)
- [65s combos](https://georgelipoker.com/combos/65s.md)
- [A8s vs 54s](https://georgelipoker.com/equity/a8s-vs-54s.md)
- [A8s vs 64s](https://georgelipoker.com/equity/a8s-vs-64s.md)
- [KTs vs 65s](https://georgelipoker.com/equity/kts-vs-65s.md)
- [All hand matchups](https://georgelipoker.com/equity.md)

## How this was computed

Nothing here is simulated. The 16 deals of A8s against 65s fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

## Related

- [A8s vs 54s: preflop equity](https://georgelipoker.com/equity/a8s-vs-54s.md)
- [A8s vs 64s: preflop equity](https://georgelipoker.com/equity/a8s-vs-64s.md)
- [KTs vs 65s: preflop equity](https://georgelipoker.com/equity/kts-vs-65s.md)