--- title: "55 vs JTs: preflop equity" url: "https://georgelipoker.com/equity/55-vs-jts.md" canonical_url: "https://georgelipoker.com/equity/55-vs-jts" last_updated: "2026-10-23" type: "reference" summary: "55 vs JTs is close to a coin flip before the flop: 47.68% to 52.32% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/55-vs-a2s.md", "https://georgelipoker.com/equity/55-vs-qto.md", "https://georgelipoker.com/equity/qjs-vs-jts.md"] --- # 55 vs JTs: preflop equity 55 vs JTs is close to a coin flip before the flop: 47.68% to 52.32% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, JTs is ahead of 55 by 4.64 points of equity, 52.32% to 47.68%. ## 55 against JTs: the numbers **Exact preflop results for 55 against JTs, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 55 | 47.284 | 0.784 | 51.932 | 47.676 | | JTs | 51.932 | 0.784 | 47.284 | 52.324 | Here a pocket pair (55) meets a suited hand (JTs). A pair against two higher cards is the classic race: the pair is usually a small favorite or close to even, and each overcard that pairs is a way to take the lead. JTs leads by less than 5 points of equity, so the result of any one deal is close to a toss-up. Ties are 0.78% of the outcomes here; each tied board gives both hands half the pot. Ranked by equity against a random hand, 55 is number 27 of the 169 starting hands and JTs is number 45. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 55 | 19,431,000 | 322,000 | 21,342,000 | | JTs | 21,342,000 | 322,000 | 19,431,000 | 24 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. **55 against JTs read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | 55 | 0.911 | 2.115 | 1.926 | 1.097 | | JTs | 1.097 | 1.926 | 2.115 | 0.911 | 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 By flop texture, JTs' equity runs from 30.03% on low rainbow flops (nine high or lower) up to 58.03% on rainbow flops topped by a ten or better. Low rainbow flops (nine high or lower) and paired flops favor 55, the hand that is behind overall. **55 against JTs by flop texture, in percent** | Flop | Share of flops | 55 wins | Ties | JTs wins | 55 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 41.759 | 0.423 | 57.818 | 41.970 | | Rainbow, nine or lower | 6.314 | 69.675 | 0.596 | 29.729 | 69.973 | | Two-tone | 46.545 | 45.679 | 0.438 | 53.883 | 45.898 | | Monotone | 5.212 | 46.874 | 2.718 | 50.408 | 48.233 | | Paired | 17.334 | 51.400 | 1.710 | 46.890 | 52.255 | 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, 60.33% for 55 and 57.53% for JTs. This opponent changes them by -12.65 and -5.21 points. **55 and JTs 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 | | --- | --- | --- | --- | --- | | 55, all flops | 47.676 | 60.325 | -12.649 | 0.79032 | | 55, rainbow, ten or higher | 41.970 | 60.325 | -18.355 | 0.69573 | | 55, rainbow, nine or lower | 69.973 | 60.325 | +9.648 | 1.15993 | | 55, two-tone | 45.898 | 60.325 | -14.427 | 0.76085 | | 55, monotone | 48.233 | 60.325 | -12.092 | 0.79955 | | 55, paired | 52.255 | 60.325 | -8.070 | 0.86622 | | JTs, all flops | 52.324 | 57.528 | -5.204 | 0.90954 | | JTs, rainbow, ten or higher | 58.030 | 57.528 | +0.502 | 1.00873 | | JTs, rainbow, nine or lower | 30.027 | 57.528 | -27.501 | 0.52195 | | JTs, two-tone | 54.102 | 57.528 | -3.426 | 0.94045 | | JTs, monotone | 51.767 | 57.528 | -5.761 | 0.89986 | | JTs, paired | 47.745 | 57.528 | -9.783 | 0.82994 | ## Does a shared suit matter? Does suit overlap move the numbers? JTs has 52.19% when the hands share a suit and 52.46% when they do not. JTs does better with no shared suit, by 0.27 points. **55 against JTs by suit overlap, in percent** | Deals | Specific deals | Share of deals | 55 wins | Ties | JTs wins | 55 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 47.397 | 0.826 | 51.777 | 47.810 | | No shared suit | 12 | 50.00 | 47.170 | 0.742 | 52.088 | 47.541 | ## How often this matchup comes up How often does it happen? 24 of the 1,624,350 ordered deals (0.0015%) are 55 against JTs, and 48 (0.0030%) if either hand may sit in either seat. ## A worked example To see what the equity is worth, imagine $100 each in a $200 pot. JTs is worth $104.64 on average (+$4.64); 55 is worth $95.36 (-$4.64). In 1,000 deals of exactly this matchup, expect about 519 won outright by JTs, about 473 won outright by 55 and about 8 split. ## The same matchup from the other side The reversed view, JTs against 55, shows 52.32% for JTs and 47.68% for 55. It is the same count, so it redirects here. ## Keep exploring Try 5s5h against JdTd in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking. - [Open 5s5h against JdTd in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=5s5h&p2=JdTd) - [55 combos](https://georgelipoker.com/combos/55.md) - [JTs combos](https://georgelipoker.com/combos/jts.md) - [55 vs A2s](https://georgelipoker.com/equity/55-vs-a2s.md) - [55 vs QTo](https://georgelipoker.com/equity/55-vs-qto.md) - [QJs vs JTs](https://georgelipoker.com/equity/qjs-vs-jts.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 24 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [55 vs A2s: preflop equity](https://georgelipoker.com/equity/55-vs-a2s.md) - [55 vs QTo: preflop equity](https://georgelipoker.com/equity/55-vs-qto.md) - [QJs vs JTs: preflop equity](https://georgelipoker.com/equity/qjs-vs-jts.md)