--- title: "TT vs 99: preflop equity" url: "https://georgelipoker.com/equity/tt-vs-99.md" canonical_url: "https://georgelipoker.com/equity/tt-vs-99" last_updated: "2026-10-23" type: "reference" summary: "TT is a big favorite over 99 before the flop: 82.00% to 18.00% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/tt-vs-88.md", "https://georgelipoker.com/equity/tt-vs-aks.md", "https://georgelipoker.com/equity/jj-vs-99.md"] --- # TT vs 99: preflop equity TT is a big favorite over 99 before the flop: 82.00% to 18.00% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, TT is ahead of 99 by 64.00 points of equity, 82.00% to 18.00%. ## TT against 99: the numbers **Exact preflop results for TT against 99, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | TT | 81.750 | 0.502 | 17.748 | 82.001 | | 99 | 17.748 | 0.502 | 81.750 | 17.999 | The matchup is pocket pairs on both sides, TT against 99. Two pairs against each other is a one-way street: the lower pair needs one of its two remaining cards. This is one of the lopsided matchups: 99 wins only 17.75% of the boards outright. A split pot comes up on 0.50% of boards, so the wins and the equity differ by half of that. Among the 169 starting hands, TT is number 5 and 99 is number 6 by strength against a random hand. **Boards behind the percentages: 61,642,944 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | TT | 50,393,000 | 309,000 | 10,940,000 | | 99 | 10,940,000 | 309,000 | 50,393,000 | The total is exact: 36 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. **TT against 99 read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | TT | 4.556 | 1.223 | 5.634 | 0.219 | | 99 | 0.219 | 5.634 | 1.223 | 4.556 | In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity. ## Who is ahead on which flops By flop texture, TT's equity runs from 71.00% on low rainbow flops (nine high or lower) up to 86.51% on paired flops. TT stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **TT against 99 by flop texture, in percent** | Flop | Share of flops | TT wins | Ties | 99 wins | TT equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 84.364 | 0.242 | 15.394 | 84.485 | | Rainbow, nine or lower | 6.314 | 70.546 | 0.897 | 28.557 | 70.995 | | Two-tone | 46.363 | 80.928 | 0.363 | 18.709 | 81.109 | | Monotone | 5.152 | 75.390 | 1.750 | 22.860 | 76.265 | | Paired | 17.576 | 86.151 | 0.724 | 13.125 | 86.513 | 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 A random hand would give TT 75.01% and 99 72.06%. Against each other the change is +6.99 points for TT and -54.06 for 99. **TT and 99 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 | | --- | --- | --- | --- | --- | | TT, all flops | 82.001 | 75.012 | +6.989 | 1.09317 | | TT, rainbow, ten or higher | 84.485 | 75.012 | +9.473 | 1.12629 | | TT, rainbow, nine or lower | 70.995 | 75.012 | -4.017 | 0.94645 | | TT, two-tone | 81.109 | 75.012 | +6.097 | 1.08128 | | TT, monotone | 76.265 | 75.012 | +1.253 | 1.01670 | | TT, paired | 86.513 | 75.012 | +11.501 | 1.15332 | | 99, all flops | 17.999 | 72.057 | -54.058 | 0.24979 | | 99, rainbow, ten or higher | 15.515 | 72.057 | -56.542 | 0.21532 | | 99, rainbow, nine or lower | 29.005 | 72.057 | -43.052 | 0.40253 | | 99, two-tone | 18.891 | 72.057 | -53.166 | 0.26217 | | 99, monotone | 23.735 | 72.057 | -48.322 | 0.32939 | | 99, paired | 13.487 | 72.057 | -58.570 | 0.18717 | ## Does a shared suit matter? When the hands share a suit, TT holds 82.14%; when they do not, it holds 81.31%. TT does better with a shared suit, by 0.83 points. **TT against 99 by suit overlap, in percent** | Deals | Specific deals | Share of deals | TT wins | Ties | 99 wins | TT equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 30 | 83.33 | 81.881 | 0.517 | 17.602 | 82.139 | | No shared suit | 6 | 16.67 | 81.098 | 0.423 | 18.479 | 81.309 | ## How often this matchup comes up How often does it happen? 36 of the 1,624,350 ordered deals (0.0022%) are TT against 99, and 72 (0.0044%) if either hand may sit in either seat. ## A worked example Worked example: both players commit $100, so $200 sits in the middle. Over every board, TT's average share is $164.00 (a gain of $64.00) and 99's is $36.00 (a loss of $64.00). Per 1,000 deals: TT wins about 818, 99 wins about 177, and about 5 end in a split pot. ## The same matchup from the other side One page covers both views. From 99's side the equity is 18.00%, and from TT's side it is 82.00%. ## Keep exploring TsTh against 9d9c 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 TsTh against 9d9c in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=TsTh&p2=9d9c) - [TT combos](https://georgelipoker.com/combos/tt.md) - [99 combos](https://georgelipoker.com/combos/99.md) - [TT vs 88](https://georgelipoker.com/equity/tt-vs-88.md) - [TT vs AKs](https://georgelipoker.com/equity/tt-vs-aks.md) - [JJ vs 99](https://georgelipoker.com/equity/jj-vs-99.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed This is an exact count with no sampling. For the 36 ways to deal one TT and one 99 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 - [TT vs 88: preflop equity](https://georgelipoker.com/equity/tt-vs-88.md) - [TT vs AKs: preflop equity](https://georgelipoker.com/equity/tt-vs-aks.md) - [JJ vs 99: preflop equity](https://georgelipoker.com/equity/jj-vs-99.md)