--- title: "A3s vs T9s: preflop equity" url: "https://georgelipoker.com/equity/a3s-vs-t9s.md" canonical_url: "https://georgelipoker.com/equity/a3s-vs-t9s" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, A3s or T9s? A3s leads 54.65% to 45.36% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a3s-vs-33.md", "https://georgelipoker.com/equity/a3s-vs-t8s.md", "https://georgelipoker.com/equity/qjo-vs-t9s.md"] --- # A3s vs T9s: preflop equity Who is ahead, A3s or T9s? A3s leads 54.65% to 45.36% before the flop, counted exactly over every board, with the split by flop type and suit. The exact count puts A3s at 54.65% and T9s at 45.35% when the two hands see all five board cards. ## A3s against T9s: the numbers **Exact preflop results for A3s against T9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A3s | 54.392 | 0.506 | 45.102 | 54.645 | | T9s | 45.102 | 0.506 | 54.392 | 45.355 | Two suited hands meet here: A3s against T9s. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. That is a slim edge: neither hand is far ahead. About 0.51% of boards chop the pot, which is why equity sits slightly above the win figure for both hands. The hand ranking puts A3s at 38 and T9s at 64 out of 169 starting hands. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A3s | 14,902,000 | 139,000 | 12,357,000 | | T9s | 12,357,000 | 139,000 | 14,902,000 | 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. **A3s against T9s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | A3s | 1.205 | 1.839 | 2.217 | 0.830 | | T9s | 0.830 | 2.217 | 1.839 | 1.205 | 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 The flop changes the picture. A3s does best on paired flops, at 60.44%, and worst on low rainbow flops (nine high or lower), at 51.59%. A3s stays ahead on all five textures. **A3s against T9s by flop texture, in percent** | Flop | Share of flops | A3s wins | Ties | T9s wins | A3s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.543 | 53.971 | 0.193 | 45.836 | 54.068 | | Rainbow, nine or lower | 6.366 | 51.258 | 0.663 | 48.079 | 51.590 | | Two-tone | 46.727 | 53.319 | 0.265 | 46.416 | 53.452 | | Monotone | 5.273 | 51.103 | 3.429 | 45.468 | 52.817 | | Paired | 17.091 | 60.112 | 0.657 | 39.231 | 60.440 | 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 Relative to a random opponent, A3s changes by -3.57 points (baseline 58.22%) and T9s by -8.68 points (baseline 54.03%). **A3s and T9s 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 | | --- | --- | --- | --- | --- | | A3s, all flops | 54.645 | 58.220 | -3.575 | 0.93859 | | A3s, rainbow, ten or higher | 54.068 | 58.220 | -4.152 | 0.92868 | | A3s, rainbow, nine or lower | 51.590 | 58.220 | -6.630 | 0.88612 | | A3s, two-tone | 53.452 | 58.220 | -4.768 | 0.91810 | | A3s, monotone | 52.817 | 58.220 | -5.403 | 0.90720 | | A3s, paired | 60.440 | 58.220 | +2.220 | 1.03813 | | T9s, all flops | 45.355 | 54.028 | -8.673 | 0.83947 | | T9s, rainbow, ten or higher | 45.932 | 54.028 | -8.096 | 0.85015 | | T9s, rainbow, nine or lower | 48.410 | 54.028 | -5.618 | 0.89602 | | T9s, two-tone | 46.548 | 54.028 | -7.480 | 0.86155 | | T9s, monotone | 47.183 | 54.028 | -6.845 | 0.87331 | | T9s, paired | 39.560 | 54.028 | -14.468 | 0.73221 | ## Does a shared suit matter? Does suit overlap move the numbers? A3s has 56.21% when the hands share a suit and 54.12% when they do not. A3s does better with a shared suit, by 2.09 points. **A3s against T9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | A3s wins | Ties | T9s wins | A3s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 55.920 | 0.587 | 43.493 | 56.213 | | No shared suit | 12 | 75.00 | 53.883 | 0.479 | 45.638 | 54.123 | ## How often this matchup comes up This page stands for 16 specific-card matchups (0.0010% of 1,624,350 ordered deals), or 32 once you count the seats both ways (0.0020%). ## A worked example Put $100 each into a $200 pot and deal every board once: A3s averages $109.30 back, ahead of its $100 by $9.30, while T9s averages $90.70, short of its $100 by $9.30. A thousand deals look like this: A3s takes 544, T9s takes 451, 5 are ties. ## The same matchup from the other side If you came looking for T9s against A3s, the numbers are the same with the hands swapped: 45.35% and 54.65%. ## Keep exploring Try As3s against Th9h 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 As3s against Th9h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As3s&p2=Th9h) - [A3s combos](https://georgelipoker.com/combos/a3s.md) - [T9s combos](https://georgelipoker.com/combos/t9s.md) - [A3s vs 33](https://georgelipoker.com/equity/a3s-vs-33.md) - [A3s vs T8s](https://georgelipoker.com/equity/a3s-vs-t8s.md) - [QJo vs T9s](https://georgelipoker.com/equity/qjo-vs-t9s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 16 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [A3s vs 33: preflop equity](https://georgelipoker.com/equity/a3s-vs-33.md) - [A3s vs T8s: preflop equity](https://georgelipoker.com/equity/a3s-vs-t8s.md) - [QJo vs T9s: preflop equity](https://georgelipoker.com/equity/qjo-vs-t9s.md)