--- title: "QJs vs 64s: preflop equity" url: "https://georgelipoker.com/equity/qjs-vs-64s.md" canonical_url: "https://georgelipoker.com/equity/qjs-vs-64s" last_updated: "2026-10-23" type: "reference" summary: "QJs is a big favorite over 64s before the flop: 63.50% to 36.50% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/qjs-vs-53s.md", "https://georgelipoker.com/equity/qjs-vs-43s.md", "https://georgelipoker.com/equity/k9s-vs-64s.md"] --- # QJs vs 64s: preflop equity QJs is a big favorite over 64s before the flop: 63.50% to 36.50% equity, counted exactly over every board, with the split by flop type and suit. The exact count puts QJs at 63.50% and 64s at 36.50% when the two hands see all five board cards. ## QJs against 64s: the numbers **Exact preflop results for QJs against 64s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | QJs | 63.038 | 0.928 | 36.034 | 63.502 | | 64s | 36.034 | 0.928 | 63.038 | 36.498 | The matchup is suited hands on both sides, QJs against 64s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. The lead is steady rather than large, and the flop still has plenty of say in who wins. Of every 100 boards, about 0.93 are split pots, and the equity figures already include them. In the ranking of all 169 starting hands, QJs is number 28 and 64s is number 138. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | QJs | 17,270,000 | 254,000 | 9,872,000 | | 64s | 9,872,000 | 254,000 | 17,270,000 | 16 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. **QJs against 64s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | QJs | 1.740 | 1.586 | 2.775 | 0.575 | | 64s | 0.575 | 2.775 | 1.586 | 1.740 | 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 QJs prefers rainbow flops topped by a ten or better, where it holds 70.95%, and likes low rainbow flops (nine high or lower) least, where it holds 36.76%. 64s is ahead on low rainbow flops (nine high or lower), even though it trails QJs when every flop is counted. **QJs against 64s by flop texture, in percent** | Flop | Share of flops | QJs wins | Ties | 64s wins | QJs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 70.740 | 0.413 | 28.847 | 70.947 | | Rainbow, nine or lower | 6.314 | 36.362 | 0.796 | 62.842 | 36.760 | | Two-tone | 46.727 | 62.723 | 0.455 | 36.822 | 62.950 | | Monotone | 5.273 | 58.876 | 3.592 | 37.532 | 60.672 | | Paired | 17.091 | 63.957 | 2.190 | 33.853 | 65.052 | 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, 60.26% for QJs and 41.33% for 64s. This opponent changes them by +3.24 and -4.83 points. **QJs and 64s 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 | | --- | --- | --- | --- | --- | | QJs, all flops | 63.502 | 60.259 | +3.243 | 1.05382 | | QJs, rainbow, ten or higher | 70.947 | 60.259 | +10.688 | 1.17737 | | QJs, rainbow, nine or lower | 36.760 | 60.259 | -23.499 | 0.61003 | | QJs, two-tone | 62.950 | 60.259 | +2.691 | 1.04466 | | QJs, monotone | 60.672 | 60.259 | +0.413 | 1.00685 | | QJs, paired | 65.052 | 60.259 | +4.793 | 1.07954 | | 64s, all flops | 36.498 | 41.333 | -4.835 | 0.88302 | | 64s, rainbow, ten or higher | 29.053 | 41.333 | -12.280 | 0.70290 | | 64s, rainbow, nine or lower | 63.240 | 41.333 | +21.907 | 1.53001 | | 64s, two-tone | 37.050 | 41.333 | -4.283 | 0.89638 | | 64s, monotone | 39.328 | 41.333 | -2.005 | 0.95149 | | 64s, paired | 34.948 | 41.333 | -6.385 | 0.84552 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common QJs has 65.87% equity, and with none in common it has 62.71%. QJs does better with a shared suit, by 3.16 points. **QJs against 64s by suit overlap, in percent** | Deals | Specific deals | Share of deals | QJs wins | Ties | 64s wins | QJs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 65.354 | 1.029 | 33.617 | 65.868 | | No shared suit | 12 | 75.00 | 62.267 | 0.894 | 36.839 | 62.714 | ## How often this matchup comes up How often does it happen? 16 of the 1,624,350 ordered deals (0.0010%) are QJs against 64s, and 32 (0.0020%) if either hand may sit in either seat. ## A worked example A $100 all-in from each player makes a $200 pot, and the exact equity says QJs gets $127.00 of it on average and 64s gets $73.00. Per 1,000 deals: QJs wins about 631, 64s wins about 360, and about 9 end in a split pot. ## The same matchup from the other side The mirror image, 64s against QJs, is 36.50% to 63.50%, and its address redirects to this page. ## Keep exploring Open the calculator with QsJs against 6h4h 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 QsJs against 6h4h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=QsJs&p2=6h4h) - [QJs combos](https://georgelipoker.com/combos/qjs.md) - [64s combos](https://georgelipoker.com/combos/64s.md) - [QJs vs 53s](https://georgelipoker.com/equity/qjs-vs-53s.md) - [QJs vs 43s](https://georgelipoker.com/equity/qjs-vs-43s.md) - [K9s vs 64s](https://georgelipoker.com/equity/k9s-vs-64s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed We counted every case. Each suit pattern of the 16 specific QJs against 64s 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 - [QJs vs 53s: preflop equity](https://georgelipoker.com/equity/qjs-vs-53s.md) - [QJs vs 43s: preflop equity](https://georgelipoker.com/equity/qjs-vs-43s.md) - [K9s vs 64s: preflop equity](https://georgelipoker.com/equity/k9s-vs-64s.md)