55 vs AK: Preflop Equity & Odds
| Hand | Win | Tie | Equity |
|---|---|---|---|
| 55 (Pocket Fives) | 53.7% | 0.5% | 54.0% |
| AK (Ace-King) | 45.8% | 0.5% | 46.0% |
Suited vs offsuit: AK
| Matchup | Win | Tie | Equity |
|---|---|---|---|
| AKs | 47.8% | 0.5% | 48.0% |
| AKo | 45.2% | 0.5% | 45.4% |
How 55 vs AK unfolds by street
Pocket Fives (55) is still ahead on 66% of flops against AK, and the lead survives to the turn on 61%. AK takes the lead on the other 34% of flops. These figures come from full board enumeration, not a simulation.
| Street | 55 still ahead | AK flipped the lead |
|---|---|---|
| Flop | 66% | 34% |
| Turn | 61% | 39% |
55 vs AK is the classic preflop race — a pocket pair against two overcards (connected overcards). The pair noses ahead: 55 wins 53.7%, AK wins 45.8%, and 0.5% of boards chop. The unpaired hand has six outs twice over (any Ace or King), and with its straight gappers live too the whole thing sits within a few points of a coin flip.
At a final table the raw 54.0% / 46.0% split is only half the story — ICM bends it. As the 46.0% 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, 55 vs AK rewards aggression from the favorite and caution from the dog: 55 wants to realize its 53.7% 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 2.
55 vs AK FAQ
Who wins 55 vs AK preflop?
55 (Pocket Fives) is the favorite, winning 53.7% of all runouts, while AK (Ace-King) wins 45.8%. The remaining 0.5% are split pots. Counting splits as half, 55's preflop equity is 54.0%.
How often does AK beat 55?
AK wins 45.8% of the time all-in preflop against 55 — essentially a coin flip, so it is close to even money.
Is 55 vs AK a good spot to get all-in?
For 55, yes — a 54.0% favorite should happily commit, especially with fold equity. For AK at 46.0%, it depends on the price: enough to continue with initiative, but thin enough that stacking off out of position is usually a leak.
Does 55 hold up against AK after the flop?
55 is still ahead on 66% of flops and stays ahead through the turn on 61% of boards; AK takes the lead on the other 34% of flops. These are exact figures from full board enumeration.
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