AK vs 99: Who Wins? Exact Odds
99 wins, but barely. All-in preflop, pocket nines beat ace-king about 54.6% of the time across all suit combinations: 55.3% against AKo and 52.6% against AKs. It is a genuine race, and the pair is always the slight favorite.
Win, tie, loss
Share of all possible runouts across every suit combination (96 combo pairs). Equity adds half the ties to each side: AK 45.40%, 99 54.60%.
Equity by suit configuration
AKo vs 9944.73% / 55.27%
| Suit configuration | Combos | AKo equity | 99 equity |
|---|---|---|---|
A♠K♥ vs 9♠9♦ 9♠ shares the ace's suit | 24 | 44.73% | 55.27% |
A♠K♥ vs 9♥9♦ 9♥ shares the king's suit | 24 | 44.73% | 55.27% |
A♠K♥ vs 9♠9♥ 9♠ shares the ace's suit; 9♥ shares the king's suit | 12 | 45.14% | 54.86% |
A♠K♥ vs 9♦9♣ no shared suits: every backdoor flush is live | 12 | 44.32% | 55.68% |
| All AKo vs 99 combos | 72 | 44.73% | 55.27% |
AKs vs 9947.42% / 52.58%
| Suit configuration | Combos | AKs equity | 99 equity |
|---|---|---|---|
A♠K♠ vs 9♥9♦ no AK flush-suit card in the other hand: the flush draw is fully live | 12 | 47.61% | 52.39% |
A♠K♠ vs 9♠9♥ 9♠ blocks one card of AK's flush suit | 12 | 47.24% | 52.76% |
| All AKs vs 99 combos | 24 | 47.42% | 52.58% |
Each row is a suit-isomorphism class: relabeling the four suits doesn't change equity, so every combo in a row has the identical, exactly-enumerated number. “Combos” counts the hand-vs-hand combinations the row represents.
Why the race is this close
A made pair starts ahead of two unpaired cards, even the best two. AK catches up by pairing an ace or a king (one arrives on the board 50.3% of the time) or by making a straight or flush. But 99 redraws too: when AK pairs, the pocket pair can still spike a set, and on blank runouts the pair simply holds. Add it all up and pocket nines land at 54.6%, ace-king at 45.4%: closer than "you're behind" makes it sound, further than "it's a pure flip".
- AK still takes the pot 45.4% of the time. The total gap is only 9.2 equity points; in AA vs KK the gap is 63.9 points. "You're behind" costs far less here than in a real cooler.
- Suits are worth real equity: AKs has 47.4% against 99 vs 44.7% for AKo, 2.7 points just for being suited. The exact suit layout moves the number from 44.3% to 47.6%.
- An ace or king reaches the board 50.3% of the time, yet AKo's equity is only 44.7%: 99 sometimes redraws to a set or straight even when AK pairs, and against 99 every one of AK's straight cards is live.
How it was calculated
Exact enumeration, not simulation: for every suit configuration above, all 1,712,304 possible five-card boards were dealt and both hands scored with app/lib/poker-eval.js, the same 7-card evaluator behind /tools/odds-calculator. Ties split the pot, so equity is win% plus half the tie%. Computed 2026-07-27.
Don't take our word for it: run AK vs 99 yourself in the odds calculator and watch the Monte Carlo estimate converge on these numbers.
Frequently asked questions
Who wins AK vs 99 all-in preflop?+
99 is the favorite. Across every suit combination 99 wins 54.4% of boards outright, AK wins 45.2%, and 0.4% are ties, for a total pot equity of 54.6% vs 45.4%. Exact enumeration of all 1,712,304 possible boards per suit configuration.
Is AK vs 99 a coin flip?+
Close enough that players call it one. AK has 44.7% equity offsuit and 47.4% suited, in or near the 45–55% band most players consider a flip, but the pair's edge is real and constant.
Does suited matter in AK vs 99?+
Yes. AKs earns 47.4% vs 44.7% for AKo, a 2.7-point difference. Even within one class the exact suits matter: from 44.3% in the worst layout to 47.6% in the best (see the configuration table).
How often do AK vs 99 tie?+
0.4% of runouts end in a chopped pot, usually a straight or board-dominated hand both players share.