A9o
55.91%
Wins 55.70%, ties 0.41%
JTo
44.09%
Wins 43.89%, ties 0.41%
A9o against JTo: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| A9o | 55.702 | 0.413 | 43.885 | 55.908 |
| JTo | 43.885 | 0.413 | 55.702 | 44.092 |
Two offsuit hands meet here: A9o against JTo. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.
A9o is ahead, but JTo is far from dead: it takes 439 of every 1,000 deals outright. A split pot comes up on 0.41% of boards, so the wins and the equity differ by half of that.
Ranked by equity against a random hand, A9o is number 25 of the 169 starting hands and JTo is number 57.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| A9o | 137,345,000 | 1,018,000 | 108,208,000 |
| JTo | 108,208,000 | 1,018,000 | 137,345,000 |
144 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.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| A9o | 1.268 | 1.795 | 2.279 | 0.789 |
| JTo | 0.789 | 2.279 | 1.795 | 1.268 |
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 A9o's equity moves by 20.66 points, from 49.97% on rainbow flops topped by a ten or better to 70.63% on low rainbow flops (nine high or lower). The lead reverses on rainbow flops topped by a ten or better: there JTo is the favorite even though A9o is ahead overall.
| Flop | Share of flops | A9o wins | Ties | JTo wins | A9o equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 24.110 | 49.887 | 0.157 | 49.956 | 49.965 |
| Rainbow, nine or lower | 7.042 | 70.260 | 0.746 | 28.994 | 70.633 |
| Two-tone | 46.606 | 54.400 | 0.278 | 45.322 | 54.539 |
| Monotone | 5.151 | 52.758 | 1.674 | 45.568 | 53.595 |
| Paired | 17.091 | 62.342 | 0.624 | 37.034 | 62.654 |
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
Compared with a random opponent, this matchup shifts A9o from 60.77% by -4.86 points and JTo from 55.25% by -11.16 points.
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| A9o, all flops | 55.908 | 60.773 | -4.865 | 0.91995 |
| A9o, rainbow, ten or higher | 49.965 | 60.773 | -10.808 | 0.82216 |
| A9o, rainbow, nine or lower | 70.633 | 60.773 | +9.860 | 1.16224 |
| A9o, two-tone | 54.539 | 60.773 | -6.234 | 0.89742 |
| A9o, monotone | 53.595 | 60.773 | -7.178 | 0.88189 |
| A9o, paired | 62.654 | 60.773 | +1.881 | 1.03095 |
| JTo, all flops | 44.092 | 55.248 | -11.156 | 0.79807 |
| JTo, rainbow, ten or higher | 50.035 | 55.248 | -5.213 | 0.90564 |
| JTo, rainbow, nine or lower | 29.367 | 55.248 | -25.881 | 0.53155 |
| JTo, two-tone | 45.461 | 55.248 | -9.787 | 0.82285 |
| JTo, monotone | 46.405 | 55.248 | -8.843 | 0.83994 |
| JTo, paired | 37.346 | 55.248 | -17.902 | 0.67597 |
Does a shared suit matter?
When the hands share a suit, A9o holds 55.91%; when they do not, it holds 55.89%. The two rows differ by only 0.02 points, so suits barely change this matchup.
| Deals | Specific deals | Share of deals | A9o wins | Ties | JTo wins | A9o equity |
|---|---|---|---|---|---|---|
| Share a suit | 120 | 83.33 | 55.698 | 0.428 | 43.874 | 55.912 |
| No shared suit | 24 | 16.67 | 55.722 | 0.334 | 43.944 | 55.889 |
How often this matchup comes up
You will meet this exact matchup 0.0177% of the time in a random heads-up deal: 288 of 1,624,350, counting either seat order.
A worked example
Put $100 each into a $200 pot and deal every board once: A9o averages $111.82 back, ahead of its $100 by $11.82, while JTo averages $88.18, short of its $100 by $11.82.
Run 1,000 deals and the tally comes out near 557 for A9o, 439 for JTo and 4 ties.
The same matchup from the other side
The reversed view, JTo against A9o, shows 44.09% for JTo and 55.91% for A9o. It is the same count, so it redirects here.
Keep exploring
As9h against JdTc 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.
How this was computed
This is an exact count with no sampling. For the 144 ways to deal one A9o and one JTo 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.
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