--- title: "AQo vs K9o: preflop equity" url: "https://georgelipoker.com/equity/aqo-vs-k9o.md" canonical_url: "https://georgelipoker.com/equity/aqo-vs-k9o" last_updated: "2026-10-23" type: "reference" summary: "AQo is a big favorite over K9o before the flop: 63.82% to 36.18% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/aqo-vs-q9s.md", "https://georgelipoker.com/equity/aqo-vs-jts.md", "https://georgelipoker.com/equity/ajo-vs-k9o.md"] --- # AQo vs K9o: preflop equity AQo is a big favorite over K9o before the flop: 63.82% to 36.18% equity, counted exactly over every board, with the split by flop type and suit. The exact count puts AQo at 63.82% and K9o at 36.18% when the two hands see all five board cards. ## AQo against K9o: the numbers **Exact preflop results for AQo against K9o, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AQo | 63.596 | 0.447 | 35.957 | 63.820 | | K9o | 35.957 | 0.447 | 63.596 | 36.180 | This is a contest between two offsuit hands, AQo and K9o. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other. The lead is steady rather than large, and the flop still has plenty of say in who wins. A split pot comes up on 0.45% of boards, so the wins and the equity differ by half of that. AQo ranks number 14 of 169 starting hands, and K9o ranks number 40, by equity against a random hand. **Boards behind the percentages: 246,571,776 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AQo | 156,810,000 | 1,102,000 | 88,660,000 | | K9o | 88,660,000 | 1,102,000 | 156,810,000 | 144 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. **AQo 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) | | --- | --- | --- | --- | --- | | AQo | 1.764 | 1.572 | 2.781 | 0.567 | | K9o | 0.567 | 2.781 | 1.572 | 1.764 | 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, AQo's equity runs from 58.24% on low rainbow flops (nine high or lower) up to 67.05% on paired flops. AQo stays ahead on all five textures. **AQo against K9o by flop texture, in percent** | Flop | Share of flops | AQo wins | Ties | K9o wins | AQo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.110 | 64.810 | 0.123 | 35.067 | 64.872 | | Rainbow, nine or lower | 7.042 | 57.703 | 1.067 | 41.230 | 58.236 | | Two-tone | 46.606 | 63.031 | 0.322 | 36.647 | 63.192 | | Monotone | 5.151 | 60.653 | 1.706 | 37.641 | 61.506 | | Paired | 17.091 | 66.744 | 0.608 | 32.648 | 67.048 | 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 Relative to a random opponent, AQo changes by -0.61 points (baseline 64.43%) and K9o by -21.63 points (baseline 57.81%). **AQo 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 | | --- | --- | --- | --- | --- | | AQo, all flops | 63.820 | 64.432 | -0.612 | 0.99050 | | AQo, rainbow, ten or higher | 64.872 | 64.432 | +0.440 | 1.00683 | | AQo, rainbow, nine or lower | 58.236 | 64.432 | -6.196 | 0.90384 | | AQo, two-tone | 63.192 | 64.432 | -1.240 | 0.98075 | | AQo, monotone | 61.506 | 64.432 | -2.926 | 0.95459 | | AQo, paired | 67.048 | 64.432 | +2.616 | 1.04060 | | K9o, all flops | 36.180 | 57.812 | -21.632 | 0.62582 | | K9o, rainbow, ten or higher | 35.128 | 57.812 | -22.684 | 0.60762 | | K9o, rainbow, nine or lower | 41.764 | 57.812 | -16.048 | 0.72241 | | K9o, two-tone | 36.808 | 57.812 | -21.004 | 0.63668 | | K9o, monotone | 38.494 | 57.812 | -19.318 | 0.66585 | | K9o, paired | 32.952 | 57.812 | -24.860 | 0.56999 | ## Does a shared suit matter? Does suit overlap move the numbers? AQo has 63.89% when the hands share a suit and 63.49% when they do not. AQo does better with a shared suit, by 0.40 points. **AQo against K9o by suit overlap, in percent** | Deals | Specific deals | Share of deals | AQo wins | Ties | K9o wins | AQo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 120 | 83.33 | 63.655 | 0.463 | 35.882 | 63.887 | | No shared suit | 24 | 16.67 | 63.301 | 0.368 | 36.331 | 63.485 | ## How often this matchup comes up This page stands for 144 specific-card matchups (0.0089% of 1,624,350 ordered deals), or 288 once you count the seats both ways (0.0177%). ## A worked example Take a $200 pot built from $100 each. AQo's equity of 63.82% is worth $127.64, a $27.64 edge, and K9o's 36.18% is worth $72.36, which is $27.64 under its stake. Over a long run, 1,000 deals split into about 636 for AQo, 360 for K9o and 4 tied. ## The same matchup from the other side K9o versus AQo is this same page seen from the other hand: 36.18% for K9o, 63.82% for AQo. ## Keep exploring AsQh against Kd9c 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 AsQh against Kd9c in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsQh&p2=Kd9c) - [AQo combos](https://georgelipoker.com/combos/aqo.md) - [K9o combos](https://georgelipoker.com/combos/k9o.md) - [AQo vs Q9s](https://georgelipoker.com/equity/aqo-vs-q9s.md) - [AQo vs JTs](https://georgelipoker.com/equity/aqo-vs-jts.md) - [AJo vs K9o](https://georgelipoker.com/equity/ajo-vs-k9o.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Each figure is a complete count over boards. Take the 144 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [AQo vs Q9s: preflop equity](https://georgelipoker.com/equity/aqo-vs-q9s.md) - [AQo vs JTs: preflop equity](https://georgelipoker.com/equity/aqo-vs-jts.md) - [AJo vs K9o: preflop equity](https://georgelipoker.com/equity/ajo-vs-k9o.md)