Hand odds / AA vs 55
AA vs 55: odds and equity
In short
AA wins 80.7% of the time against 55 all in before the flop, 55 wins 18.9%, and they split the pot 0.4% of the time. That makes AA a big favourite, about 4 to 1.
AA
80.9%
55
19.1%
Equity: win% plus half of the 0.4% split pots. AA is a big favourite, about 4 to 1.
What the flop does to it
When no 5 comes on the flop (91.8% of flops), AA has 86.4% equity going to the turn. When one does, AA drops to 19.1%.
55 is drawing to two cards, its own rank, so this is mostly about whether a set comes. Straights and flushes make up most of the rest of 55's wins.
When this all-in happens in push/fold
At 10BB in 6-max, the Button shoves AA always and the Big Blind calls with 55 always, so this exact all-in comes straight off the charts.
| 6-max spot | Shove AA | Call with 55 | Shove 55 | Call with AA |
|---|---|---|---|---|
| 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, AA or 55?
- AA. All in preflop it has 80.9% equity against 55: 80.7% wins plus half of the 0.4% split pots. That's a big favourite, about 4 to 1.
- What happens on the flop?
- When no 5 comes on the flop (91.8% of flops), AA has 86.4% equity going to the turn. When one does, AA drops to 19.1%.
- When does AA vs 55 happen in push/fold?
- At 10BB in 6-max, the Button shoves AA 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: 36 card combinations for AA vs 55, 1,712,304 boards each. The numbers are exact, not simulated.