--- title: "99 vs T9s: preflop equity" url: "https://georgelipoker.com/equity/99-vs-t9s.md" canonical_url: "https://georgelipoker.com/equity/99-vs-t9s" last_updated: "2026-10-23" type: "reference" summary: "99 is a big favorite over T9s before the flop: 61.16% to 38.85% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/99-vs-33.md", "https://georgelipoker.com/equity/99-vs-t8s.md", "https://georgelipoker.com/equity/88-vs-t9s.md"] --- # 99 vs T9s: preflop equity 99 is a big favorite over T9s before the flop: 61.16% to 38.85% equity, counted exactly over every board, with the split by flop type and suit. Before any board card is dealt, 99 holds 61.16% equity against T9s, which leaves T9s with 38.84%. ## 99 against T9s: the numbers **Exact preflop results for 99 against T9s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 99 | 60.201 | 1.907 | 37.892 | 61.155 | | T9s | 37.892 | 1.907 | 60.201 | 38.845 | 99 and T9s are a pocket pair and a suited hand, in that order. One hand holds a card of the same rank as the pair, which removes a card the pair needs and makes the pair a bigger favorite. A 22.32 point lead is real, and T9s still takes about 379 of every 1,000 deals outright. Ties are 1.91% of the outcomes here; each tied board gives both hands half the pot. In the ranking of all 169 starting hands, 99 is number 6 and T9s is number 64. **Boards behind the percentages: 20,547,648 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 99 | 12,370,000 | 392,000 | 7,786,000 | | T9s | 7,786,000 | 392,000 | 12,370,000 | 12 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. **99 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) | | --- | --- | --- | --- | --- | | 99 | 1.574 | 1.661 | 2.639 | 0.635 | | T9s | 0.635 | 2.639 | 1.661 | 1.574 | The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call. ## Who is ahead on which flops Across the five flop textures 99's equity moves by 17.27 points, from 58.24% on monotone flops to 75.51% on low rainbow flops (nine high or lower). 99 stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **99 against T9s by flop texture, in percent** | Flop | Share of flops | 99 wins | Ties | T9s wins | 99 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.197 | 57.287 | 2.154 | 40.559 | 58.364 | | Rainbow, nine or lower | 5.585 | 74.634 | 1.754 | 23.612 | 75.511 | | Two-tone | 46.236 | 57.663 | 1.925 | 40.412 | 58.625 | | Monotone | 5.151 | 56.842 | 2.803 | 40.355 | 58.244 | | Paired | 17.831 | 67.351 | 1.301 | 31.348 | 68.002 | A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank. ## Compared with a random hand Each hand has a baseline against a random hand: 72.06% for 99, 54.03% for T9s. Here the change is -10.90 and -15.19 points. **99 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 | | --- | --- | --- | --- | --- | | 99, all flops | 61.155 | 72.057 | -10.902 | 0.84870 | | 99, rainbow, ten or higher | 58.364 | 72.057 | -13.693 | 0.80997 | | 99, rainbow, nine or lower | 75.511 | 72.057 | +3.454 | 1.04793 | | 99, two-tone | 58.625 | 72.057 | -13.432 | 0.81359 | | 99, monotone | 58.244 | 72.057 | -13.813 | 0.80830 | | 99, paired | 68.002 | 72.057 | -4.055 | 0.94373 | | T9s, all flops | 38.845 | 54.028 | -15.183 | 0.71898 | | T9s, rainbow, ten or higher | 41.636 | 54.028 | -12.392 | 0.77064 | | T9s, rainbow, nine or lower | 24.489 | 54.028 | -29.539 | 0.45326 | | T9s, two-tone | 41.375 | 54.028 | -12.653 | 0.76581 | | T9s, monotone | 41.756 | 54.028 | -12.272 | 0.77286 | | T9s, paired | 31.998 | 54.028 | -22.030 | 0.59225 | ## Does a shared suit matter? Suits do not split this matchup, because no legal deal has the hands holding the same suit. **99 against T9s by suit overlap, in percent** | Deals | Specific deals | Share of deals | 99 wins | Ties | T9s wins | 99 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 0 | 0.00 | not possible | not possible | not possible | not possible | | No shared suit | 12 | 100.00 | 60.201 | 1.907 | 37.892 | 61.155 | ## How often this matchup comes up 99 against T9s is made up of 12 specific-card matchups in one seat order, 0.0007% of the 1,624,350 ordered deals, and 24 counting both seat orders, 0.0015%. ## A worked example Say each player puts $100 in before the flop, making a $200 pot. On average 99 takes back $122.32 of it, which is $22.32 more than it put in, and T9s takes back $77.68, $22.32 less than it put in. A thousand deals look like this: 99 takes 602, T9s takes 379, 19 are ties. ## The same matchup from the other side T9s versus 99 is this same page seen from the other hand: 38.84% for T9s, 61.16% for 99. ## Keep exploring The calculator link fills in 9s9h against Td9d, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength. - [Open 9s9h against Td9d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=9s9h&p2=Td9d) - [99 combos](https://georgelipoker.com/combos/99.md) - [T9s combos](https://georgelipoker.com/combos/t9s.md) - [99 vs 33](https://georgelipoker.com/equity/99-vs-33.md) - [99 vs T8s](https://georgelipoker.com/equity/99-vs-t8s.md) - [88 vs T9s](https://georgelipoker.com/equity/88-vs-t9s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed We counted every case. Each suit pattern of the 12 specific 99 against T9s 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 - [99 vs 33: preflop equity](https://georgelipoker.com/equity/99-vs-33.md) - [99 vs T8s: preflop equity](https://georgelipoker.com/equity/99-vs-t8s.md) - [88 vs T9s: preflop equity](https://georgelipoker.com/equity/88-vs-t9s.md)