--- title: "AQs vs AQo: preflop equity" url: "https://georgelipoker.com/equity/aqs-vs-aqo.md" canonical_url: "https://georgelipoker.com/equity/aqs-vs-aqo" last_updated: "2026-10-23" type: "reference" summary: "AQs vs AQo is close to a coin flip before the flop: 52.49% to 47.51% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/aqs-vs-ajo.md", "https://georgelipoker.com/equity/aqs-vs-kqs.md", "https://georgelipoker.com/equity/ajs-vs-aqo.md"] --- # AQs vs AQo: preflop equity AQs vs AQo is close to a coin flip before the flop: 52.49% to 47.51% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, AQs is ahead of AQo by 4.98 points of equity, 52.49% to 47.51%. ## AQs against AQo: the numbers **Exact preflop results for AQs against AQo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AQs | 7.158 | 90.669 | 2.173 | 52.492 | | AQo | 2.173 | 90.669 | 7.158 | 47.508 | The first hand is a suited hand; the second is an offsuit hand. Same ranks, different suit pattern: the whole gap comes from flush chances. With only 4.98 points between them, the board decides this matchup far more than the cards in hand. The tie share is 90.67%: on those boards the pot is chopped and neither hand wins outright. In the ranking of all 169 starting hands, AQs is number 10 and AQo is number 14. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AQs | 2,942,000 | 37,261,000 | 893,000 | | AQo | 893,000 | 37,261,000 | 2,942,000 | 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. **AQs against AQo read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | AQs | 1.105 | 13.970 | 46.019 | 0.905 | | AQo | 0.905 | 46.019 | 13.970 | 1.105 | 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: AQs holds 53.28% on two-tone flops and 50.29% on monotone flops. AQs stays ahead on all five textures, and the gap between its best and worst is only 2.99 points, so the shape of the flop hardly changes who is favored. **AQs against AQo by flop texture, in percent** | Flop | Share of flops | AQs wins | Ties | AQo wins | AQs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.138 | 3.265 | 96.735 | 0.000 | 51.633 | | Rainbow, nine or lower | 7.771 | 3.409 | 96.591 | 0.000 | 51.705 | | Two-tone | 46.363 | 8.829 | 88.901 | 2.270 | 53.280 | | Monotone | 5.152 | 18.513 | 63.544 | 17.943 | 50.285 | | Paired | 17.576 | 6.201 | 92.681 | 1.118 | 52.541 | A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank. ## Compared with a random hand Each hand has a baseline against a random hand: 66.21% for AQs, 64.43% for AQo. Here the change is -13.72 and -16.92 points. **AQs and AQo 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 | | --- | --- | --- | --- | --- | | AQs, all flops | 52.492 | 66.209 | -13.717 | 0.79282 | | AQs, rainbow, ten or higher | 51.633 | 66.209 | -14.576 | 0.77985 | | AQs, rainbow, nine or lower | 51.705 | 66.209 | -14.504 | 0.78094 | | AQs, two-tone | 53.280 | 66.209 | -12.929 | 0.80472 | | AQs, monotone | 50.285 | 66.209 | -15.924 | 0.75949 | | AQs, paired | 52.541 | 66.209 | -13.668 | 0.79356 | | AQo, all flops | 47.508 | 64.432 | -16.924 | 0.73734 | | AQo, rainbow, ten or higher | 48.367 | 64.432 | -16.065 | 0.75067 | | AQo, rainbow, nine or lower | 48.295 | 64.432 | -16.137 | 0.74955 | | AQo, two-tone | 46.720 | 64.432 | -17.712 | 0.72511 | | AQo, monotone | 49.715 | 64.432 | -14.717 | 0.77159 | | AQo, paired | 47.459 | 64.432 | -16.973 | 0.73657 | ## Does a shared suit matter? A shared suit is impossible for this matchup, so AQs' 52.49% is the answer for every suit pattern. **AQs against AQo by suit overlap, in percent** | Deals | Specific deals | Share of deals | AQs wins | Ties | AQo wins | AQs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 0 | 0.00 | not possible | not possible | not possible | not possible | | No shared suit | 24 | 100.00 | 7.158 | 90.669 | 2.173 | 52.492 | ## How often this matchup comes up You will meet this exact matchup 0.0030% of the time in a random heads-up deal: 48 of 1,624,350, counting either seat order. ## A worked example Take a $200 pot built from $100 each. AQs' equity of 52.49% is worth $104.98, a $4.98 edge, and AQo's 47.51% is worth $95.02, which is $4.98 under its stake. Run 1,000 deals and the tally comes out near 71 for AQs, 22 for AQo and 907 ties. ## The same matchup from the other side Read it from the other side: AQo against AQs is the same matchup with the numbers swapped, so AQo holds 47.51% and AQs holds 52.49%. That address sends you back to this page. ## Keep exploring AsQs against AhQd 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 AsQs against AhQd in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsQs&p2=AhQd) - [AQs combos](https://georgelipoker.com/combos/aqs.md) - [AQo combos](https://georgelipoker.com/combos/aqo.md) - [AQs vs AJo](https://georgelipoker.com/equity/aqs-vs-ajo.md) - [AQs vs KQs](https://georgelipoker.com/equity/aqs-vs-kqs.md) - [AJs vs AQo](https://georgelipoker.com/equity/ajs-vs-aqo.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 - [AQs vs AJo: preflop equity](https://georgelipoker.com/equity/aqs-vs-ajo.md) - [AQs vs KQs: preflop equity](https://georgelipoker.com/equity/aqs-vs-kqs.md) - [AJs vs AQo: preflop equity](https://georgelipoker.com/equity/ajs-vs-aqo.md)