Hand odds / A5 vs 66
A5 vs 66: odds and equity
In short
66 wins 68.8% of the time against A5o all in before the flop, A5o wins 30.7%, and they split the pot 0.4% of the time. 66 is a clear favourite, about 2 to 1. With A5s vs 66 the split is 34.4% to 65.6% in equity.
A5o
30.9%
66
69.1%
Equity: win% plus half of the 0.4% split pots. 66 is a clear favourite, about 2 to 1.
Every suit combination
| Matchup | Hand 1 wins | Hand 2 wins | Split | Hand 1 equity |
|---|---|---|---|---|
| A5s vs 66 | 34.1% | 65.4% | 0.5% | 34.4% |
| A5o vs 66 | 30.7% | 68.8% | 0.4% | 30.9% |
What the flop does to it
When no A or 5 comes on the flop (76.3% of flops), 66 has 76.8% equity going to the turn. When one does, 66 drops to 44.0%.
With one card above and one below, A5o needs its higher card to come or a straight or flush to get there.
When this all-in happens in push/fold
At 10BB in 6-max, the Button shoves A5o always and the Big Blind calls with 66 always, so this exact all-in comes straight off the charts.
| 6-max spot | Shove A5o | Call with 66 | Shove 66 | Call with A5o |
|---|---|---|---|---|
| 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 | 93% | 100% | 100% | 0% |
| Button shoves, Big Blind calls, 15BB | 100% | 100% | 100% | 91% |
| 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, A5 or 66?
- 66. All in preflop it has 69.1% equity against A5o: 68.8% wins plus half of the 0.4% split pots. That's a clear favourite, about 2 to 1.
- Do suits change the odds?
- A little. A5s vs 66 is 34.4% to 65.6%; A5o vs 66 is 30.9% to 69.1%. Suited hands make more flushes, which is worth a few percent.
- What happens on the flop?
- When no A or 5 comes on the flop (76.3% of flops), 66 has 76.8% equity going to the turn. When one does, 66 drops to 44.0%.
- When does A5 vs 66 happen in push/fold?
- At 10BB in 6-max, the Button shoves A5o always and the Big Blind calls with 66 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 A5o vs 66, 1,712,304 boards each. The numbers are exact, not simulated.