KK vs AK: Preflop Equity & Odds
| Hand | Win | Tie | Equity |
|---|---|---|---|
| KK (Pocket Kings) | 68.5% | 0.8% | 68.9% |
| AK (Ace-King) | 30.7% | 0.8% | 31.1% |
Suited vs offsuit: AK
| Matchup | Win | Tie | Equity |
|---|---|---|---|
| AKs | 33.7% | 0.8% | 34.1% |
| AKo | 29.7% | 0.8% | 30.1% |
How KK vs AK unfolds by street
Pocket Kings (KK) is still ahead on 82% of flops against AK, and the lead survives to the turn on 76%. AK takes the lead on the other 18% of flops, almost always by flopping a set. These figures come from full board enumeration, not a simulation.
| Street | KK still ahead | AK flipped the lead |
|---|---|---|
| Flop | 82% | 18% |
| Turn | 76% | 24% |
KK vs AK is a card-removal spot: the pair holds one of the cards the unpaired hand most wants. KK wins 68.5%, AK wins 30.7%, and 0.8% of boards chop. Blocking an out (and vice versa) pushes the favorite past a clean race — it's one of the most common all-in confrontations you'll actually face. It's a benchmark spot every serious player should know cold.
At a final table the raw 68.9% / 31.1% split is only half the story — ICM bends it. As the 31.1% underdog, AK pays an extra survival premium, so the chip-EV "close enough" call can be a clear ICM fold. The pure equity sets the floor; the payout ladder sets the real price.
In practice, KK vs AK rewards aggression from the favorite and caution from the dog: KK wants to realize its 68.5% edge by getting value and denying free cards, while AK should lean on fold equity and position rather than hoping to win the pot at showdown about 1 time in 3.
KK vs AK FAQ
Who wins KK vs AK preflop?
KK (Pocket Kings) is the favorite, winning 68.5% of all runouts, while AK (Ace-King) wins 30.7%. The remaining 0.8% are split pots. Counting splits as half, KK's preflop equity is 68.9%.
Does the KK vs AK probability change all-in preflop?
No. Once both hands are all-in preflop the odds are set by the cards alone — position, stack size and who bet first change nothing. The only thing that moves the number is suits: KK's equity runs from 65.9% to 70.0% depending on suitedness and which suits the two hands share, which is why different sites quote slightly different figures. It does change once board cards are dealt (KK leads on 82% of flops) and in multiway pots, where every extra caller takes equity from both hands.
Is KK vs AK a good spot to get all-in?
For KK, yes — a 68.9% favorite should happily commit, especially with fold equity. For AK at 31.1%, it depends on the price: enough to continue with initiative, but thin enough that stacking off out of position is usually a leak.
Does KK hold up against AK after the flop?
KK is still ahead on 82% of flops and stays ahead through the turn on 76% of boards; AK takes the lead on the other 18% of flops. These are exact figures from full board enumeration.
Run any matchup in the free equity calculator · AA VS KK · KK VS AA · AA VS AK · AK VS AA · AK VS KK · AK VS QQ
KK against a range
All-in against one known hand is the textbook case; at the table KK is usually up against a range. Exact equities, computed over every combo with card removal applied:
- KK vs calling station — 78.7% against 670 combos (50.5% of hands)
- KK vs BTN open — 77.7% against 586 combos (44.2% of hands)
- KK vs SB open — 77.2% against 534 combos (40.3% of hands)
- KK vs CO open — 76.7% against 366 combos (27.6% of hands)