--- title: "AJs vs 53s: preflop equity" url: "https://georgelipoker.com/equity/ajs-vs-53s.md" canonical_url: "https://georgelipoker.com/equity/ajs-vs-53s" last_updated: "2026-10-23" type: "reference" summary: "AJs is a big favorite over 53s before the flop: 62.76% to 37.24% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/ajs-vs-43s.md", "https://georgelipoker.com/equity/ako-vs-53s.md", "https://georgelipoker.com/equity/ajs-vs-64s.md"] --- # AJs vs 53s: preflop equity AJs is a big favorite over 53s before the flop: 62.76% to 37.24% equity, counted exactly over every board, with the split by flop type and suit. Dealt all in against each other, AJs takes 62.76% of the pot on average and 53s takes the other 37.24%. ## AJs against 53s: the numbers **Exact preflop results for AJs against 53s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AJs | 62.482 | 0.554 | 36.964 | 62.759 | | 53s | 36.964 | 0.554 | 62.482 | 37.241 | AJs and 53s are both suited hands. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits. A 25.52 point lead is real, and 53s still takes about 370 of every 1,000 deals outright. The tie share is 0.55%: on those boards the pot is chopped and neither hand wins outright. Place 11 of 169 belongs to AJs and place 146 belongs to 53s in the ranking against a random hand. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AJs | 17,118,000 | 152,000 | 10,127,000 | | 53s | 10,127,000 | 152,000 | 17,118,000 | 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. **AJs against 53s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | AJs | 1.685 | 1.600 | 2.705 | 0.593 | | 53s | 0.593 | 2.705 | 1.600 | 1.685 | 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 The flop changes the picture. AJs does best on rainbow flops topped by a ten or better, at 69.37%, and worst on low rainbow flops (nine high or lower), at 37.32%. Watch for low rainbow flops (nine high or lower): on those flops 53s holds the better equity. **AJs against 53s by flop texture, in percent** | Flop | Share of flops | AJs wins | Ties | 53s wins | AJs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 69.272 | 0.190 | 30.538 | 69.367 | | Rainbow, nine or lower | 6.314 | 36.844 | 0.944 | 62.212 | 37.316 | | Two-tone | 46.727 | 61.762 | 0.312 | 37.926 | 61.918 | | Monotone | 5.273 | 58.063 | 3.561 | 38.376 | 59.844 | | Paired | 17.091 | 65.514 | 0.669 | 33.817 | 65.849 | Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank. ## Compared with a random hand Relative to a random opponent, AJs changes by -2.63 points (baseline 65.39%) and 53s by -2.45 points (baseline 39.69%). **AJs and 53s 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 | | --- | --- | --- | --- | --- | | AJs, all flops | 62.759 | 65.393 | -2.634 | 0.95972 | | AJs, rainbow, ten or higher | 69.367 | 65.393 | +3.974 | 1.06077 | | AJs, rainbow, nine or lower | 37.316 | 65.393 | -28.077 | 0.57064 | | AJs, two-tone | 61.918 | 65.393 | -3.475 | 0.94686 | | AJs, monotone | 59.844 | 65.393 | -5.549 | 0.91514 | | AJs, paired | 65.849 | 65.393 | +0.456 | 1.00697 | | 53s, all flops | 37.241 | 39.693 | -2.452 | 0.93823 | | 53s, rainbow, ten or higher | 30.633 | 39.693 | -9.060 | 0.77175 | | 53s, rainbow, nine or lower | 62.684 | 39.693 | +22.991 | 1.57922 | | 53s, two-tone | 38.082 | 39.693 | -1.611 | 0.95941 | | 53s, monotone | 40.156 | 39.693 | +0.463 | 1.01166 | | 53s, paired | 34.151 | 39.693 | -5.542 | 0.86038 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common AJs has 65.07% equity, and with none in common it has 61.99%. AJs does better with a shared suit, by 3.08 points. **AJs against 53s by suit overlap, in percent** | Deals | Specific deals | Share of deals | AJs wins | Ties | 53s wins | AJs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 64.754 | 0.633 | 34.613 | 65.070 | | No shared suit | 12 | 75.00 | 61.725 | 0.528 | 37.747 | 61.989 | ## How often this matchup comes up Counting specific cards, AJs against 53s appears in 16 of the 1,624,350 ordered heads-up deals (0.0010%), and in 32 when the seats are swapped too (0.0020%). ## A worked example With $100 from each side, the $200 pot is split on average as $125.52 for AJs and $74.48 for 53s; the first side gains $25.52 per all-in and the second gives up $25.52. Think in thousands: about 625 of 1,000 go to AJs, about 370 go to 53s, and about 5 are chopped. ## The same matchup from the other side Swap the hands and you get 53s with 37.24% against AJs with 62.76%. We keep one page per matchup, with the better-ranked hand first. ## Keep exploring Open the calculator with AsJs against 5h3h 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. - [Open AsJs against 5h3h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsJs&p2=5h3h) - [AJs combos](https://georgelipoker.com/combos/ajs.md) - [53s combos](https://georgelipoker.com/combos/53s.md) - [AJs vs 43s](https://georgelipoker.com/equity/ajs-vs-43s.md) - [AKo vs 53s](https://georgelipoker.com/equity/ako-vs-53s.md) - [AJs vs 64s](https://georgelipoker.com/equity/ajs-vs-64s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 16 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [AJs vs 43s: preflop equity](https://georgelipoker.com/equity/ajs-vs-43s.md) - [AKo vs 53s: preflop equity](https://georgelipoker.com/equity/ako-vs-53s.md) - [AJs vs 64s: preflop equity](https://georgelipoker.com/equity/ajs-vs-64s.md)