A2s
54.56%
Wins 54.30%, ties 0.52%
T9s
45.44%
Wins 45.18%, ties 0.52%
A2s against T9s: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| A2s | 54.304 | 0.518 | 45.178 | 54.563 |
| T9s | 45.178 | 0.518 | 54.304 | 45.437 |
The matchup is suited hands on both sides, A2s against T9s. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.
With only 9.12 points between them, the board decides this matchup far more than the cards in hand. Ties are 0.52% of the outcomes here; each tied board gives both hands half the pot.
Ranked by equity against a random hand, A2s is number 46 of the 169 starting hands and T9s is number 64.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| A2s | 14,878,000 | 142,000 | 12,377,000 |
| T9s | 12,377,000 | 142,000 | 14,878,000 |
The total is exact: 16 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.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| A2s | 1.201 | 1.841 | 2.213 | 0.833 |
| T9s | 0.833 | 2.213 | 1.841 | 1.201 |
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
Paired flops are the best for A2s (60.44%); low rainbow flops (nine high or lower) are the worst (51.20%). A2s stays ahead on all five textures.
| Flop | Share of flops | A2s wins | Ties | T9s wins | A2s equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 24.543 | 53.933 | 0.193 | 45.874 | 54.030 |
| Rainbow, nine or lower | 6.366 | 50.834 | 0.739 | 48.427 | 51.204 |
| Two-tone | 46.727 | 53.218 | 0.277 | 46.505 | 53.356 |
| Monotone | 5.273 | 51.031 | 3.434 | 45.535 | 52.748 |
| Paired | 17.091 | 60.107 | 0.661 | 39.232 | 60.438 |
Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.
Compared with a random hand
Start from the random-hand figures, 57.38% for A2s and 54.03% for T9s. This opponent changes them by -2.82 and -8.59 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| A2s, all flops | 54.563 | 57.379 | -2.816 | 0.95092 |
| A2s, rainbow, ten or higher | 54.030 | 57.379 | -3.349 | 0.94163 |
| A2s, rainbow, nine or lower | 51.204 | 57.379 | -6.175 | 0.89238 |
| A2s, two-tone | 53.356 | 57.379 | -4.023 | 0.92989 |
| A2s, monotone | 52.748 | 57.379 | -4.631 | 0.91929 |
| A2s, paired | 60.438 | 57.379 | +3.059 | 1.05331 |
| T9s, all flops | 45.437 | 54.028 | -8.591 | 0.84099 |
| T9s, rainbow, ten or higher | 45.970 | 54.028 | -8.058 | 0.85086 |
| T9s, rainbow, nine or lower | 48.796 | 54.028 | -5.232 | 0.90316 |
| T9s, two-tone | 46.644 | 54.028 | -7.384 | 0.86333 |
| T9s, monotone | 47.252 | 54.028 | -6.776 | 0.87458 |
| T9s, paired | 39.562 | 54.028 | -14.466 | 0.73225 |
Does a shared suit matter?
Looking only at deals where the hands share a suit, A2s has 56.12%; looking only at deals where they do not, 54.04%. A2s does better with a shared suit, by 2.08 points.
| Deals | Specific deals | Share of deals | A2s wins | Ties | T9s wins | A2s equity |
|---|---|---|---|---|---|---|
| Share a suit | 4 | 25.00 | 55.823 | 0.599 | 43.578 | 56.123 |
| No shared suit | 12 | 75.00 | 53.798 | 0.490 | 45.712 | 54.043 |
How often this matchup comes up
Out of 1,624,350 ways to deal two seats two cards each, 16 are A2s in one seat and T9s in the other (0.0010%); with the seats swapped too, 32 (0.0020%).
A worked example
Take a $200 pot built from $100 each. A2s' equity of 54.56% is worth $109.12, a $9.12 edge, and T9s' 45.44% is worth $90.88, which is $9.12 under its stake.
Per 1,000 deals: A2s wins about 543, T9s wins about 452, and about 5 end in a split pot.
The same matchup from the other side
Read it from the other side: T9s against A2s is the same matchup with the numbers swapped, so T9s holds 45.44% and A2s holds 54.56%. That address sends you back to this page.
Keep exploring
Open the calculator with As2s against Th9h already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.
How this was computed
We counted every case. Each suit pattern of the 16 specific A2s 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.
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