---
title: "A7s vs 97s: preflop equity"
url: "https://georgelipoker.com/equity/a7s-vs-97s.md"
canonical_url: "https://georgelipoker.com/equity/a7s-vs-97s"
last_updated: "2026-10-23"
type: "reference"
summary: "A7s is a big favorite over 97s before the flop: 68.34% to 31.67% equity, counted exactly over every board, with the split by flop type and suit."
related: ["https://georgelipoker.com/equity/a7s-vs-87s.md", "https://georgelipoker.com/equity/a7s-vs-86s.md", "https://georgelipoker.com/equity/a9o-vs-97s.md"]
---

# A7s vs 97s: preflop equity

A7s is a big favorite over 97s before the flop: 68.34% to 31.67% equity, counted exactly over every board, with the split by flop type and suit.

In equity, A7s against 97s stands at 68.34% to 31.66%, a gap of 36.68 points.

## A7s against 97s: the numbers

**Exact preflop results for A7s against 97s, in percent**

| Hand | Wins | Ties | Loses | Equity |
| --- | --- | --- | --- | --- |
| A7s | 67.294 | 2.081 | 30.625 | 68.335 |
| 97s | 30.625 | 2.081 | 67.294 | 31.665 |

Two suited hands meet here: A7s against 97s. Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up.

That is a clear edge, 68.34% to 31.66%, but 97s still wins often enough that one hand proves nothing. The tie share is 2.08%: on those boards the pot is chopped and neither hand wins outright.

Place 24 of 169 belongs to A7s and place 94 belongs to 97s in the ranking against a random hand.

**Boards behind the percentages: 20,547,648 counted in all**

| Hand | Boards won, about | Boards tied, about | Boards lost, about |
| --- | --- | --- | --- |
| A7s | 13,827,000 | 428,000 | 6,293,000 |
| 97s | 6,293,000 | 428,000 | 13,827,000 |

The total is exact: 12 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.

**A7s against 97s read as odds**

| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
| --- | --- | --- | --- | --- |
| A7s | 2.158 | 1.486 | 3.265 | 0.463 |
| 97s | 0.463 | 3.265 | 1.486 | 2.158 |

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 A7s is strongest on paired flops (72.60%) and weakest on low rainbow flops (nine high or lower) (55.02%). A7s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

**A7s against 97s by flop texture, in percent**

| Flop | Share of flops | A7s wins | Ties | 97s wins | A7s equity |
| --- | --- | --- | --- | --- | --- |
| Rainbow, ten or higher | 25.254 | 71.653 | 1.469 | 26.878 | 72.388 |
| Rainbow, nine or lower | 5.654 | 52.696 | 4.651 | 42.653 | 55.022 |
| Two-tone | 46.543 | 65.970 | 1.783 | 32.247 | 66.862 |
| Monotone | 5.215 | 60.017 | 4.178 | 35.805 | 62.106 |
| Paired | 17.334 | 71.451 | 2.304 | 26.245 | 72.603 |

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 +7.36 points for A7s, from 60.98%, and -17.46 for 97s, from 49.12%.

**A7s and 97s 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 |
| --- | --- | --- | --- | --- |
| A7s, all flops | 68.335 | 60.984 | +7.351 | 1.12054 |
| A7s, rainbow, ten or higher | 72.388 | 60.984 | +11.404 | 1.18700 |
| A7s, rainbow, nine or lower | 55.022 | 60.984 | -5.962 | 0.90224 |
| A7s, two-tone | 66.862 | 60.984 | +5.878 | 1.09639 |
| A7s, monotone | 62.106 | 60.984 | +1.122 | 1.01840 |
| A7s, paired | 72.603 | 60.984 | +11.619 | 1.19053 |
| 97s, all flops | 31.665 | 49.118 | -17.453 | 0.64467 |
| 97s, rainbow, ten or higher | 27.612 | 49.118 | -21.506 | 0.56216 |
| 97s, rainbow, nine or lower | 44.978 | 49.118 | -4.140 | 0.91571 |
| 97s, two-tone | 33.138 | 49.118 | -15.980 | 0.67466 |
| 97s, monotone | 37.894 | 49.118 | -11.224 | 0.77149 |
| 97s, paired | 27.397 | 49.118 | -21.721 | 0.55778 |

## Does a shared suit matter?

Suits do not split this matchup, because no legal deal has the hands holding the same suit.

**A7s against 97s by suit overlap, in percent**

| Deals | Specific deals | Share of deals | A7s wins | Ties | 97s wins | A7s equity |
| --- | --- | --- | --- | --- | --- | --- |
| Share a suit | 0 | 0.00 | not possible | not possible | not possible | not possible |
| No shared suit | 12 | 100.00 | 67.294 | 2.081 | 30.625 | 68.335 |

## How often this matchup comes up

Exactly 12 specific deals fit this matchup in one seat order, which is 0.0007% of 1,624,350; both orders together give 24, or 0.0015%.

## A worked example

Put $100 each into a $200 pot and deal every board once: A7s averages $136.68 back, ahead of its $100 by $36.68, while 97s averages $63.32, short of its $100 by $36.68.

A thousand deals look like this: A7s takes 673, 97s takes 306, 21 are ties.

## The same matchup from the other side

Swap the hands and you get 97s with 31.66% against A7s with 68.34%. We keep one page per matchup, with the better-ranked hand first.

## Keep exploring

Try As7s against 9h7h 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.

- [Open As7s against 9h7h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As7s&p2=9h7h)
- [A7s combos](https://georgelipoker.com/combos/a7s.md)
- [97s combos](https://georgelipoker.com/combos/97s.md)
- [A7s vs 87s](https://georgelipoker.com/equity/a7s-vs-87s.md)
- [A7s vs 86s](https://georgelipoker.com/equity/a7s-vs-86s.md)
- [A9o vs 97s](https://georgelipoker.com/equity/a9o-vs-97s.md)
- [All hand matchups](https://georgelipoker.com/equity.md)

## How this was computed

This is an exact count with no sampling. For the 12 ways to deal one A7s and one 97s without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.

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

## Related

- [A7s vs 87s: preflop equity](https://georgelipoker.com/equity/a7s-vs-87s.md)
- [A7s vs 86s: preflop equity](https://georgelipoker.com/equity/a7s-vs-86s.md)
- [A9o vs 97s: preflop equity](https://georgelipoker.com/equity/a9o-vs-97s.md)