--- title: "99 vs JTs: preflop equity" url: "https://georgelipoker.com/equity/99-vs-jts.md" canonical_url: "https://georgelipoker.com/equity/99-vs-jts" last_updated: "2026-10-23" type: "reference" summary: "99 vs JTs is close to a coin flip before the flop: 51.23% to 48.77% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/99-vs-a2s.md", "https://georgelipoker.com/equity/99-vs-qto.md", "https://georgelipoker.com/equity/88-vs-jts.md"] --- # 99 vs JTs: preflop equity 99 vs JTs is close to a coin flip before the flop: 51.23% to 48.77% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, 99 is ahead of JTs by 2.46 points of equity, 51.23% to 48.77%. ## 99 against JTs: the numbers **Exact preflop results for 99 against JTs, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 99 | 51.017 | 0.420 | 48.563 | 51.227 | | JTs | 48.563 | 0.420 | 51.017 | 48.773 | 99 and JTs are a pocket pair and a suited hand, in that order. One hand holds a pair and the other holds two cards that both outrank it, which keeps the equity closer than most people expect. This is close to even money, with 99 a little ahead. A split pot comes up on 0.42% of boards, so the wins and the equity differ by half of that. Place 6 of 169 belongs to 99 and place 45 belongs to JTs in the ranking against a random hand. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 99 | 20,966,000 | 173,000 | 19,957,000 | | JTs | 19,957,000 | 173,000 | 20,966,000 | The total is exact: 24 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand. **99 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) | | --- | --- | --- | --- | --- | | 99 | 1.050 | 1.960 | 2.059 | 0.952 | | JTs | 0.952 | 2.059 | 1.960 | 1.050 | The final column gives the least the pot must offer for each unit called for a call to break even at this equity. ## Who is ahead on which flops If you know the kind of flop that came, the numbers shift: 99 holds 74.55% on low rainbow flops (nine high or lower) and 44.85% on rainbow flops topped by a ten or better. JTs takes over on rainbow flops topped by a ten or better and two-tone flops, so the favorite before the flop is the underdog on those boards. **99 against JTs by flop texture, in percent** | Flop | Share of flops | 99 wins | Ties | JTs wins | 99 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 44.758 | 0.184 | 55.058 | 44.850 | | Rainbow, nine or lower | 6.314 | 74.136 | 0.822 | 25.042 | 74.547 | | Two-tone | 46.545 | 48.681 | 0.293 | 51.026 | 48.827 | | Monotone | 5.212 | 48.937 | 2.391 | 48.672 | 50.133 | | Paired | 17.334 | 58.377 | 0.355 | 41.268 | 58.554 | 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 How much does the opponent matter? Compared with its random-hand 72.06%, 99 changes by -20.83 points, and JTs, from 57.53%, by -8.76. **99 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 | | --- | --- | --- | --- | --- | | 99, all flops | 51.227 | 72.057 | -20.830 | 0.71092 | | 99, rainbow, ten or higher | 44.850 | 72.057 | -27.207 | 0.62242 | | 99, rainbow, nine or lower | 74.547 | 72.057 | +2.490 | 1.03456 | | 99, two-tone | 48.827 | 72.057 | -23.230 | 0.67762 | | 99, monotone | 50.133 | 72.057 | -21.924 | 0.69574 | | 99, paired | 58.554 | 72.057 | -13.503 | 0.81261 | | JTs, all flops | 48.773 | 57.528 | -8.755 | 0.84781 | | JTs, rainbow, ten or higher | 55.150 | 57.528 | -2.378 | 0.95866 | | JTs, rainbow, nine or lower | 25.453 | 57.528 | -32.075 | 0.44245 | | JTs, two-tone | 51.173 | 57.528 | -6.355 | 0.88953 | | JTs, monotone | 49.867 | 57.528 | -7.661 | 0.86683 | | JTs, paired | 41.446 | 57.528 | -16.082 | 0.72045 | ## Does a shared suit matter? Two kinds of deal exist here. In 12 of them the hands share a suit and 99 holds 51.32%. In 12 they do not, and it holds 51.14%. The two rows differ by only 0.18 points, so suits barely change this matchup. **99 against JTs by suit overlap, in percent** | Deals | Specific deals | Share of deals | 99 wins | Ties | JTs wins | 99 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 51.090 | 0.459 | 48.451 | 51.319 | | No shared suit | 12 | 50.00 | 50.945 | 0.379 | 48.676 | 51.135 | ## How often this matchup comes up The class pair covers 24 combinations of specific cards in a fixed seat order, 0.0015% of 1,624,350, and 48 (0.0030%) in either order. ## A worked example Try it with money: two players each put in $100 and the whole board runs out every possible way. 99 averages $102.46 from the $200, up $2.46; JTs averages $97.54, down $2.46. Scaled to 1,000 deals, that is roughly 510 wins for 99, 486 for JTs and 4 chopped pots. ## The same matchup from the other side Read it from the other side: JTs against 99 is the same matchup with the numbers swapped, so JTs holds 48.77% and 99 holds 51.23%. That address sends you back to this page. ## Keep exploring 9s9h against JdTd 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. - [Open 9s9h against JdTd in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=9s9h&p2=JdTd) - [99 combos](https://georgelipoker.com/combos/99.md) - [JTs combos](https://georgelipoker.com/combos/jts.md) - [99 vs A2s](https://georgelipoker.com/equity/99-vs-a2s.md) - [99 vs QTo](https://georgelipoker.com/equity/99-vs-qto.md) - [88 vs JTs](https://georgelipoker.com/equity/88-vs-jts.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed This is an exact count with no sampling. For the 24 ways to deal one 99 and one JTs 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. ## Related - [99 vs A2s: preflop equity](https://georgelipoker.com/equity/99-vs-a2s.md) - [99 vs QTo: preflop equity](https://georgelipoker.com/equity/99-vs-qto.md) - [88 vs JTs: preflop equity](https://georgelipoker.com/equity/88-vs-jts.md)