Hand odds / AT vs 55
AT vs 55: odds and equity
In short
55 wins 53.2% of the time against ATo all in before the flop, ATo wins 46.3%, and they split the pot 0.4% of the time. 55 is a small favourite. With ATs vs 55 the split is 49.1% to 50.9% in equity.
ATo
46.5%
55
53.5%
Equity: win% plus half of the 0.4% split pots. 55 is a small favourite.
Every suit combination
| Matchup | Hand 1 wins | Hand 2 wins | Split | Hand 1 equity |
|---|---|---|---|---|
| ATs vs 55 | 48.9% | 50.7% | 0.5% | 49.1% |
| ATo vs 55 | 46.3% | 53.2% | 0.4% | 46.5% |
What the flop does to it
When no A or 10 comes on the flop (76.3% of flops), 55 has 64.4% equity going to the turn. When one does, 55 drops to 18.3%.
ATo 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 ATo a pair.
When this all-in happens in push/fold
At 10BB in 6-max, the Button shoves ATo always and the Big Blind calls with 55 always, so this exact all-in comes straight off the charts.
| 6-max spot | Shove ATo | Call with 55 | Shove 55 | Call with ATo |
|---|---|---|---|---|
| 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, AT or 55?
- 55. All in preflop it has 53.5% equity against ATo: 53.2% wins plus half of the 0.4% split pots. That's a small favourite.
- Do suits change the odds?
- A little. ATs vs 55 is 49.1% to 50.9%; ATo vs 55 is 46.5% to 53.5%. Suited hands make more flushes, which is worth a few percent.
- What happens on the flop?
- When no A or 10 comes on the flop (76.3% of flops), 55 has 64.4% equity going to the turn. When one does, 55 drops to 18.3%.
- When does AT vs 55 happen in push/fold?
- At 10BB in 6-max, the Button shoves ATo 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 ATo vs 55, 1,712,304 boards each. The numbers are exact, not simulated.