--- title: "TT vs ATo: preflop equity" url: "https://georgelipoker.com/equity/tt-vs-ato.md" canonical_url: "https://georgelipoker.com/equity/tt-vs-ato" last_updated: "2026-10-23" type: "reference" summary: "TT is a big favorite over ATo before the flop: 69.13% to 30.87% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/tt-vs-kjs.md", "https://georgelipoker.com/equity/tt-vs-a8s.md", "https://georgelipoker.com/equity/99-vs-ato.md"] --- # TT vs ATo: preflop equity TT is a big favorite over ATo before the flop: 69.13% to 30.87% equity, counted exactly over every board, with the split by flop type and suit. Over all 1,712,304 boards that can follow this deal, TT finishes with 69.13% of the pot and ATo with 30.87%. ## TT against ATo: the numbers **Exact preflop results for TT against ATo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | TT | 68.033 | 2.200 | 29.767 | 69.133 | | ATo | 29.767 | 2.200 | 68.033 | 30.867 | The matchup pits a pocket pair against an offsuit hand. 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 lead of 38.26 points is large but not decisive: ATo still takes about 298 of every 1,000 deals. Of every 100 boards, about 2.20 are split pots, and the equity figures already include them. Ranked by equity against a random hand, TT is number 5 of the 169 starting hands and ATo is number 19. **Boards behind the percentages: 61,642,944 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | TT | 41,938,000 | 1,356,000 | 18,349,000 | | ATo | 18,349,000 | 1,356,000 | 41,938,000 | 36 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. **TT against ATo 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 | 2.240 | 1.470 | 3.359 | 0.446 | | ATo | 0.446 | 3.359 | 1.470 | 2.240 | 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 Break the boards down by their first three cards and TT is strongest on low rainbow flops (nine high or lower) (84.10%) and weakest on monotone flops (62.10%). 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 ATo by flop texture, in percent** | Flop | Share of flops | TT wins | Ties | ATo wins | TT equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.053 | 62.369 | 2.173 | 35.458 | 63.456 | | Rainbow, nine or lower | 7.771 | 82.284 | 3.640 | 14.076 | 84.104 | | Two-tone | 46.215 | 66.659 | 2.425 | 30.916 | 67.872 | | Monotone | 5.130 | 60.775 | 2.647 | 36.578 | 62.098 | | Paired | 17.831 | 74.792 | 0.899 | 24.309 | 75.241 | 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 Start from the random-hand figures, 75.01% for TT and 62.72% for ATo. This opponent changes them by -5.88 and -31.85 points. **TT and ATo 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 | 69.133 | 75.012 | -5.879 | 0.92163 | | TT, rainbow, ten or higher | 63.456 | 75.012 | -11.556 | 0.84594 | | TT, rainbow, nine or lower | 84.104 | 75.012 | +9.092 | 1.12121 | | TT, two-tone | 67.872 | 75.012 | -7.140 | 0.90482 | | TT, monotone | 62.098 | 75.012 | -12.914 | 0.82784 | | TT, paired | 75.241 | 75.012 | +0.229 | 1.00305 | | ATo, all flops | 30.867 | 62.722 | -31.855 | 0.49212 | | ATo, rainbow, ten or higher | 36.544 | 62.722 | -26.178 | 0.58263 | | ATo, rainbow, nine or lower | 15.896 | 62.722 | -46.826 | 0.25344 | | ATo, two-tone | 32.128 | 62.722 | -30.594 | 0.51223 | | ATo, monotone | 37.902 | 62.722 | -24.820 | 0.60429 | | ATo, paired | 24.759 | 62.722 | -37.963 | 0.39474 | ## Does a shared suit matter? Of the deals of this matchup, 24 share a suit (TT at 69.07%) and 12 do not (69.26%). The two rows differ by only 0.19 points, so suits barely change this matchup. **TT against ATo by suit overlap, in percent** | Deals | Specific deals | Share of deals | TT wins | Ties | ATo wins | TT equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 66.67 | 67.951 | 2.236 | 29.813 | 69.069 | | No shared suit | 12 | 33.33 | 68.196 | 2.128 | 29.676 | 69.260 | ## How often this matchup comes up You will meet this exact matchup 0.0044% of the time in a random heads-up deal: 72 of 1,624,350, counting either seat order. ## A worked example Take a $200 pot built from $100 each. TT's equity of 69.13% is worth $138.26, a $38.26 edge, and ATo's 30.87% is worth $61.74, which is $38.26 under its stake. Think in thousands: about 680 of 1,000 go to TT, about 298 go to ATo, and about 22 are chopped. ## The same matchup from the other side One page covers both views. From ATo's side the equity is 30.87%, and from TT's side it is 69.13%. ## Keep exploring TsTh against AdTc 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 AdTc in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=TsTh&p2=AdTc) - [TT combos](https://georgelipoker.com/combos/tt.md) - [ATo combos](https://georgelipoker.com/combos/ato.md) - [TT vs KJs](https://georgelipoker.com/equity/tt-vs-kjs.md) - [TT vs A8s](https://georgelipoker.com/equity/tt-vs-a8s.md) - [99 vs ATo](https://georgelipoker.com/equity/99-vs-ato.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed We counted every case. Each suit pattern of the 36 specific TT against ATo 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 - [TT vs KJs: preflop equity](https://georgelipoker.com/equity/tt-vs-kjs.md) - [TT vs A8s: preflop equity](https://georgelipoker.com/equity/tt-vs-a8s.md) - [99 vs ATo: preflop equity](https://georgelipoker.com/equity/99-vs-ato.md)