Hand odds / AK vs 55
AK vs 55: odds and equity
In short
55 wins 54.4% of the time against AKo all in before the flop, AKo wins 45.2%, and they split the pot 0.5% of the time. 55 is a small favourite. With AKs vs 55 the split is 48.0% to 52.0% in equity.
AKo
45.4%
55
54.6%
Equity: win% plus half of the 0.5% split pots. 55 is a small favourite.
Every suit combination
| Matchup | Hand 1 wins | Hand 2 wins | Split | Hand 1 equity |
|---|---|---|---|---|
| AKs vs 55 | 47.8% | 51.7% | 0.5% | 48.0% |
| AKo vs 55 | 45.2% | 54.4% | 0.5% | 45.4% |
What the flop does to it
When no A or K comes on the flop (76.3% of flops), 55 has 65.9% equity going to the turn. When one does, 55 drops to 18.3%.
AKo has two overcards, so six cards in the deck pair it. That's why it's a race rather than a big favourite: plenty of flops give AKo a pair.
When this all-in happens in push/fold
At 10BB in 6-max, the Button shoves AKo always and the Big Blind calls with 55 always, so this exact all-in comes straight off the charts.
| 6-max spot | Shove AKo | Call with 55 | Shove 55 | Call with AKo |
|---|---|---|---|---|
| Cutoff shoves, Big Blind calls, 10BB | 100% | 100% | 100% | 100% |
| Button shoves, Big Blind calls, 10BB | 100% | 100% | 100% | 100% |
| Small Blind shoves, Big Blind calls, 10BB | 100% | 100% | 100% | 100% |
| Cutoff shoves, Big Blind calls, 15BB | 100% | 100% | 100% | 100% |
| Button shoves, Big Blind calls, 15BB | 100% | 100% | 100% | 100% |
| Small Blind shoves, Big Blind calls, 15BB | 100% | 100% | 100% | 100% |
How often each hand shoves or calls in our solved 6-max chip-EV charts. A row with both columns high is a spot where this exact all-in is correct for both players. See every chart.
Common questions
- Who is the favourite, AK or 55?
- 55. All in preflop it has 54.6% equity against AKo: 54.4% wins plus half of the 0.5% split pots. That's a small favourite.
- Do suits change the odds?
- A little. AKs vs 55 is 48.0% to 52.0%; AKo vs 55 is 45.4% to 54.6%. Suited hands make more flushes, which is worth a few percent.
- What happens on the flop?
- When no A or K comes on the flop (76.3% of flops), 55 has 65.9% equity going to the turn. When one does, 55 drops to 18.3%.
- When does AK vs 55 happen in push/fold?
- At 10BB in 6-max, the Button shoves AKo always and the Big Blind calls with 55 always, so this exact all-in comes straight off the charts.
- How were these odds worked out?
- By counting every possible five-card board for every combination of suits: 72 card combinations for AKo vs 55, 1,712,304 boards each. The numbers are exact, not simulated.