A5s
54.48%
Wins 54.23%, ties 0.51%
JTs
45.52%
Wins 45.26%, ties 0.51%
A5s against JTs: the numbers
| Hand | Wins | Ties | Loses | Equity |
|---|---|---|---|---|
| A5s | 54.230 | 0.506 | 45.264 | 54.483 |
| JTs | 45.264 | 0.506 | 54.230 | 45.517 |
Two suited hands meet here: A5s against JTs. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.
This is close to even money, with A5s a little ahead. 0.51% of boards are ties, so the equity of each hand is its win rate plus half of that.
For context, A5s sits at number 30 of 169 starting hands and JTs at number 45 when each is run against a random hand.
| Hand | Boards won, about | Boards tied, about | Boards lost, about |
|---|---|---|---|
| A5s | 14,857,000 | 139,000 | 12,401,000 |
| JTs | 12,401,000 | 139,000 | 14,857,000 |
Exact total: 16 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.
| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
|---|---|---|---|---|
| A5s | 1.197 | 1.844 | 2.209 | 0.835 |
| JTs | 0.835 | 2.209 | 1.844 | 1.197 |
The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity.
Who is ahead on which flops
A5s prefers low rainbow flops (nine high or lower), where it holds 68.36%, and likes rainbow flops topped by a ten or better least, where it holds 48.93%. Rainbow flops topped by a ten or better favor JTs, the hand that is behind overall.
| Flop | Share of flops | A5s wins | Ties | JTs wins | A5s equity |
|---|---|---|---|---|---|
| Rainbow, ten or higher | 23.867 | 48.852 | 0.156 | 50.992 | 48.930 |
| Rainbow, nine or lower | 7.042 | 67.979 | 0.754 | 31.267 | 68.356 |
| Two-tone | 46.727 | 53.097 | 0.267 | 46.636 | 53.231 |
| Monotone | 5.273 | 50.844 | 3.428 | 45.728 | 52.558 |
| Paired | 17.091 | 60.219 | 0.641 | 39.140 | 60.539 |
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
Relative to a random opponent, A5s changes by -5.44 points (baseline 59.92%) and JTs by -12.01 points (baseline 57.53%).
| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
|---|---|---|---|---|
| A5s, all flops | 54.483 | 59.923 | -5.440 | 0.90922 |
| A5s, rainbow, ten or higher | 48.930 | 59.923 | -10.993 | 0.81655 |
| A5s, rainbow, nine or lower | 68.356 | 59.923 | +8.433 | 1.14073 |
| A5s, two-tone | 53.231 | 59.923 | -6.692 | 0.88832 |
| A5s, monotone | 52.558 | 59.923 | -7.365 | 0.87709 |
| A5s, paired | 60.539 | 59.923 | +0.616 | 1.01028 |
| JTs, all flops | 45.517 | 57.528 | -12.011 | 0.79121 |
| JTs, rainbow, ten or higher | 51.070 | 57.528 | -6.458 | 0.88774 |
| JTs, rainbow, nine or lower | 31.644 | 57.528 | -25.884 | 0.55006 |
| JTs, two-tone | 46.769 | 57.528 | -10.759 | 0.81298 |
| JTs, monotone | 47.442 | 57.528 | -10.086 | 0.82468 |
| JTs, paired | 39.461 | 57.528 | -18.067 | 0.68594 |
Does a shared suit matter?
Does suit overlap move the numbers? A5s has 56.07% when the hands share a suit and 53.95% when they do not. A5s does better with a shared suit, by 2.12 points.
| Deals | Specific deals | Share of deals | A5s wins | Ties | JTs wins | A5s equity |
|---|---|---|---|---|---|---|
| Share a suit | 4 | 25.00 | 55.778 | 0.586 | 43.636 | 56.071 |
| No shared suit | 12 | 75.00 | 53.714 | 0.479 | 45.807 | 53.954 |
How often this matchup comes up
You will meet this exact matchup 0.0020% of the time in a random heads-up deal: 32 of 1,624,350, counting either seat order.
A worked example
Put $100 each into a $200 pot and deal every board once: A5s averages $108.96 back, ahead of its $100 by $8.96, while JTs averages $91.04, short of its $100 by $8.96.
Think in thousands: about 542 of 1,000 go to A5s, about 453 go to JTs, and about 5 are chopped.
The same matchup from the other side
Swap the hands and you get JTs with 45.52% against A5s with 54.48%. We keep one page per matchup, with the better-ranked hand first.
Keep exploring
As5s against JhTh 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
Method: exact enumeration. The 16 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board.
Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.
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