--- title: "99 vs K9o: preflop equity" url: "https://georgelipoker.com/equity/99-vs-k9o.md" canonical_url: "https://georgelipoker.com/equity/99-vs-k9o" last_updated: "2026-10-23" type: "reference" summary: "99 is a big favorite over K9o before the flop: 69.33% to 30.67% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/99-vs-q9s.md", "https://georgelipoker.com/equity/99-vs-jts.md", "https://georgelipoker.com/equity/88-vs-k9o.md"] --- # 99 vs K9o: preflop equity 99 is a big favorite over K9o before the flop: 69.33% to 30.67% equity, counted exactly over every board, with the split by flop type and suit. Before any board card is dealt, 99 holds 69.33% equity against K9o, which leaves K9o with 30.67%. ## 99 against K9o: the numbers **Exact preflop results for 99 against K9o, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 99 | 68.223 | 2.209 | 29.568 | 69.328 | | K9o | 29.568 | 2.209 | 68.223 | 30.672 | 99 and K9o are a pocket pair and an offsuit hand, in that order. One hand holds a card of the same rank as the pair, which removes a card the pair needs and makes the pair a bigger favorite. 99 is the clear favorite, though K9o gets there on roughly one board in 3. About 2.21% of boards chop the pot, which is why equity sits slightly above the win figure for both hands. In the ranking of all 169 starting hands, 99 is number 6 and K9o is number 40. **Boards behind the percentages: 61,642,944 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 99 | 42,055,000 | 1,362,000 | 18,227,000 | | K9o | 18,227,000 | 1,362,000 | 42,055,000 | 36 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. **99 against K9o 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 | 2.260 | 1.466 | 3.382 | 0.442 | | K9o | 0.442 | 3.382 | 1.466 | 2.260 | 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 Break the boards down by their first three cards and 99 is strongest on low rainbow flops (nine high or lower) (86.84%) and weakest on monotone flops (62.32%). 99 stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **99 against K9o by flop texture, in percent** | Flop | Share of flops | 99 wins | Ties | K9o wins | 99 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 25.239 | 64.081 | 2.084 | 33.835 | 65.123 | | Rainbow, nine or lower | 5.585 | 84.642 | 4.402 | 10.956 | 86.843 | | Two-tone | 46.215 | 67.052 | 2.388 | 30.560 | 68.246 | | Monotone | 5.130 | 61.005 | 2.628 | 36.367 | 62.319 | | Paired | 17.831 | 74.057 | 1.116 | 24.827 | 74.615 | 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 Compared with a random opponent, this matchup shifts 99 from 72.06% by -2.73 points and K9o from 57.81% by -27.14 points. **99 and K9o 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 | 69.328 | 72.057 | -2.729 | 0.96213 | | 99, rainbow, ten or higher | 65.123 | 72.057 | -6.934 | 0.90377 | | 99, rainbow, nine or lower | 86.843 | 72.057 | +14.786 | 1.20520 | | 99, two-tone | 68.246 | 72.057 | -3.811 | 0.94711 | | 99, monotone | 62.319 | 72.057 | -9.738 | 0.86486 | | 99, paired | 74.615 | 72.057 | +2.558 | 1.03550 | | K9o, all flops | 30.672 | 57.812 | -27.140 | 0.53055 | | K9o, rainbow, ten or higher | 34.877 | 57.812 | -22.935 | 0.60328 | | K9o, rainbow, nine or lower | 13.157 | 57.812 | -44.655 | 0.22758 | | K9o, two-tone | 31.754 | 57.812 | -26.058 | 0.54926 | | K9o, monotone | 37.681 | 57.812 | -20.131 | 0.65179 | | K9o, paired | 25.385 | 57.812 | -32.427 | 0.43910 | ## Does a shared suit matter? Does suit overlap move the numbers? 99 has 69.27% when the hands share a suit and 69.45% when they do not. The two rows differ by only 0.18 points, so suits barely change this matchup. **99 against K9o by suit overlap, in percent** | Deals | Specific deals | Share of deals | 99 wins | Ties | K9o wins | 99 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 66.67 | 68.144 | 2.245 | 29.611 | 69.266 | | No shared suit | 12 | 33.33 | 68.382 | 2.138 | 29.480 | 69.451 | ## How often this matchup comes up 99 against K9o is made up of 36 specific-card matchups in one seat order, 0.0022% of the 1,624,350 ordered deals, and 72 counting both seat orders, 0.0044%. ## A worked example Put $100 each into a $200 pot and deal every board once: 99 averages $138.66 back, ahead of its $100 by $38.66, while K9o averages $61.34, short of its $100 by $38.66. Out of 1,000 deals you should see around 682 outright wins for 99, 296 for K9o, and 22 split pots. ## The same matchup from the other side Read it from the other side: K9o against 99 is the same matchup with the numbers swapped, so K9o holds 30.67% and 99 holds 69.33%. That address sends you back to this page. ## Keep exploring Try 9s9h against Kd9c 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 9s9h against Kd9c in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=9s9h&p2=Kd9c) - [99 combos](https://georgelipoker.com/combos/99.md) - [K9o combos](https://georgelipoker.com/combos/k9o.md) - [99 vs Q9s](https://georgelipoker.com/equity/99-vs-q9s.md) - [99 vs JTs](https://georgelipoker.com/equity/99-vs-jts.md) - [88 vs K9o](https://georgelipoker.com/equity/88-vs-k9o.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed This is an exact count with no sampling. For the 36 ways to deal one 99 and one K9o 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 Q9s: preflop equity](https://georgelipoker.com/equity/99-vs-q9s.md) - [99 vs JTs: preflop equity](https://georgelipoker.com/equity/99-vs-jts.md) - [88 vs K9o: preflop equity](https://georgelipoker.com/equity/88-vs-k9o.md)