Hand odds / A5 vs 22

A5 vs 22: odds and equity

In short

22 wins 52.1% of the time against A5o all in before the flop, A5o wins 47.2%, and they split the pot 0.6% of the time. 22 is a coin flip. With A5s vs 22 the split is 50.1% to 49.9% in equity.

A5o

47.6%

vs

22

52.4%

Equity: win% plus half of the 0.6% split pots. 22 is a coin flip.

Every suit combination

MatchupHand 1 winsHand 2 winsSplitHand 1 equity
A5s vs 2249.8%49.6%0.7%50.1%
A5o vs 2247.2%52.1%0.6%47.6%

What the flop does to it

When no A or 5 comes on the flop (76.3% of flops), 22 has 63.1% equity going to the turn. When one does, 22 drops to 18.1%.

A5o 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 A5o a pair.

When this all-in happens in push/fold

At 10BB in 6-max, the Button shoves A5o always and the Big Blind calls with 22 always, so this exact all-in comes straight off the charts.

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 22?
22. All in preflop it has 52.4% equity against A5o: 52.1% wins plus half of the 0.6% split pots. That's a coin flip.
Do suits change the odds?
A little. A5s vs 22 is 50.1% to 49.9%; A5o vs 22 is 47.6% to 52.4%. 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), 22 has 63.1% equity going to the turn. When one does, 22 drops to 18.1%.
When does A5 vs 22 happen in push/fold?
At 10BB in 6-max, the Button shoves A5o always and the Big Blind calls with 22 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 22, 1,712,304 boards each. The numbers are exact, not simulated.

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