--- title: "A9s vs 65s: preflop equity" url: "https://georgelipoker.com/equity/a9s-vs-65s.md" canonical_url: "https://georgelipoker.com/equity/a9s-vs-65s" last_updated: "2026-10-23" type: "reference" summary: "A9s is a big favorite over 65s before the flop: 61.20% to 38.80% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a9s-vs-54s.md", "https://georgelipoker.com/equity/a9s-vs-64s.md", "https://georgelipoker.com/equity/ato-vs-65s.md"] --- # A9s vs 65s: preflop equity A9s is a big favorite over 65s before the flop: 61.20% to 38.80% equity, counted exactly over every board, with the split by flop type and suit. Dealt all in against each other, A9s takes 61.20% of the pot on average and 65s takes the other 38.80%. ## A9s against 65s: the numbers **Exact preflop results for A9s against 65s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A9s | 60.940 | 0.512 | 38.548 | 61.196 | | 65s | 38.548 | 0.512 | 60.940 | 38.804 | This is a contest between two suited hands, A9s and 65s. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits. A 22.40 point lead is real, and 65s still takes about 386 of every 1,000 deals outright. A split pot comes up on 0.51% of boards, so the wins and the equity differ by half of that. A9s ranks number 18 of 169 starting hands, and 65s ranks number 128, by equity against a random hand. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A9s | 16,696,000 | 140,000 | 10,561,000 | | 65s | 10,561,000 | 140,000 | 16,696,000 | 16 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand. **A9s 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) | | --- | --- | --- | --- | --- | | A9s | 1.577 | 1.641 | 2.594 | 0.634 | | 65s | 0.634 | 2.594 | 1.641 | 1.577 | 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 The flop changes the picture. A9s does best on rainbow flops topped by a ten or better, at 65.42%, and worst on low rainbow flops (nine high or lower), at 41.77%. 65s takes over on low rainbow flops (nine high or lower), so the favorite before the flop is the underdog on those boards. **A9s against 65s by flop texture, in percent** | Flop | Share of flops | A9s wins | Ties | 65s wins | A9s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.220 | 65.314 | 0.210 | 34.476 | 65.419 | | Rainbow, nine or lower | 5.689 | 41.435 | 0.670 | 57.895 | 41.770 | | Two-tone | 46.727 | 60.231 | 0.268 | 39.501 | 60.365 | | Monotone | 5.273 | 56.922 | 3.463 | 39.615 | 58.654 | | Paired | 17.091 | 64.155 | 0.665 | 35.180 | 64.487 | Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank. ## Compared with a random hand Compared with a random opponent, this matchup shifts A9s from 62.78% by -1.58 points and 65s from 43.13% by -4.33 points. **A9s 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 | | --- | --- | --- | --- | --- | | A9s, all flops | 61.196 | 62.781 | -1.585 | 0.97475 | | A9s, rainbow, ten or higher | 65.419 | 62.781 | +2.638 | 1.04202 | | A9s, rainbow, nine or lower | 41.770 | 62.781 | -21.011 | 0.66533 | | A9s, two-tone | 60.365 | 62.781 | -2.416 | 0.96152 | | A9s, monotone | 58.654 | 62.781 | -4.127 | 0.93426 | | A9s, paired | 64.487 | 62.781 | +1.706 | 1.02717 | | 65s, all flops | 38.804 | 43.133 | -4.329 | 0.89964 | | 65s, rainbow, ten or higher | 34.581 | 43.133 | -8.552 | 0.80173 | | 65s, rainbow, nine or lower | 58.230 | 43.133 | +15.097 | 1.35001 | | 65s, two-tone | 39.635 | 43.133 | -3.498 | 0.91890 | | 65s, monotone | 41.346 | 43.133 | -1.787 | 0.95857 | | 65s, paired | 35.513 | 43.133 | -7.620 | 0.82334 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common A9s has 63.33% equity, and with none in common it has 60.49%. A9s does better with a shared suit, by 2.84 points. **A9s against 65s by suit overlap, in percent** | Deals | Specific deals | Share of deals | A9s wins | Ties | 65s wins | A9s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 63.034 | 0.590 | 36.376 | 63.329 | | No shared suit | 12 | 75.00 | 60.242 | 0.486 | 39.272 | 60.485 | ## How often this matchup comes up The class pair covers 16 combinations of specific cards in a fixed seat order, 0.0010% of 1,624,350, and 32 (0.0020%) in either order. ## A worked example A $100 all-in from each player makes a $200 pot, and the exact equity says A9s gets $122.40 of it on average and 65s gets $77.60. Per 1,000 deals: A9s wins about 609, 65s wins about 386, and about 5 end in a split pot. ## The same matchup from the other side Swap the hands and you get 65s with 38.80% against A9s with 61.20%. We keep one page per matchup, with the better-ranked hand first. ## Keep exploring As9s against 6h5h is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength. - [Open As9s against 6h5h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As9s&p2=6h5h) - [A9s combos](https://georgelipoker.com/combos/a9s.md) - [65s combos](https://georgelipoker.com/combos/65s.md) - [A9s vs 54s](https://georgelipoker.com/equity/a9s-vs-54s.md) - [A9s vs 64s](https://georgelipoker.com/equity/a9s-vs-64s.md) - [ATo vs 65s](https://georgelipoker.com/equity/ato-vs-65s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed We counted every case. Each suit pattern of the 16 specific A9s against 65s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [A9s vs 54s: preflop equity](https://georgelipoker.com/equity/a9s-vs-54s.md) - [A9s vs 64s: preflop equity](https://georgelipoker.com/equity/a9s-vs-64s.md) - [ATo vs 65s: preflop equity](https://georgelipoker.com/equity/ato-vs-65s.md)