22 vs 64s: preflop equity

If 64s and 22 get all the chips in before the flop, 64s owns 50.90% of the pot in the long run and 22 owns 49.10%.

22

49.10%

Wins 47.53%, ties 3.14%

64s

50.90%

Wins 49.33%, ties 3.14%

Equity counts a tie as half a win. Exact over every board.

22 against 64s: the numbers

Exact preflop results for 22 against 64s, in percent
HandWinsTiesLosesEquity
2247.5303.13549.33549.098
64s49.3353.13547.53050.902

Here a pocket pair (22) meets a suited hand (64s). One hand holds a pair and the other holds two cards that both outrank it, which keeps the equity closer than most people expect.

This is close to even money, with 64s a little ahead. A split pot comes up on 3.14% of boards, so the wins and the equity differ by half of that.

Ranked by equity against a random hand, 22 is number 87 of the 169 starting hands and 64s is number 138.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
2219,533,0001,288,00020,274,000
64s20,274,0001,288,00019,533,000

The board total is exact, 24 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

22 against 64s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
220.9652.1042.0271.037
64s1.0372.0272.1040.965

The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call.

Who is ahead on which flops

The flop changes the picture. 64s does best on low rainbow flops (nine high or lower), at 62.22%, and worst on paired flops, at 47.77%. Rainbow flops topped by a ten or better and paired flops favor 22, the hand that is behind overall.

22 against 64s by flop texture, in percent
FlopShare of flops22 winsTies64s wins22 equity
Rainbow, ten or higher25.84451.0721.73447.19451.939
Rainbow, nine or lower5.06537.0301.51161.45937.785
Two-tone46.54546.8161.61151.57347.622
Monotone5.21246.3804.79148.82948.775
Paired17.33447.5829.29343.12552.229

Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.

Compared with a random hand

The table below sets each hand against its own random-hand baseline: a change of -1.23 points for 22, from 50.33%, and +9.57 for 64s, from 41.33%.

22 and 64s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
22, all flops49.09850.334-1.2360.97544
22, rainbow, ten or higher51.93950.334+1.6051.03189
22, rainbow, nine or lower37.78550.334-12.5490.75069
22, two-tone47.62250.334-2.7120.94612
22, monotone48.77550.334-1.5590.96903
22, paired52.22950.334+1.8951.03765
64s, all flops50.90241.333+9.5691.23151
64s, rainbow, ten or higher48.06141.333+6.7281.16278
64s, rainbow, nine or lower62.21541.333+20.8821.50521
64s, two-tone52.37841.333+11.0451.26722
64s, monotone51.22541.333+9.8921.23932
64s, paired47.77141.333+6.4381.15576

Does a shared suit matter?

Two kinds of deal exist here. In 12 of them the hands share a suit and 64s holds 50.76%. In 12 they do not, and it holds 51.05%. 64s does better with no shared suit, by 0.29 points.

22 against 64s by suit overlap, in percent
DealsSpecific dealsShare of deals22 winsTies64s wins22 equity
Share a suit1250.0047.6653.15449.18149.242
No shared suit1250.0047.3963.11649.48848.954

How often this matchup comes up

Counting specific cards, 22 against 64s appears in 24 of the 1,624,350 ordered heads-up deals (0.0015%), and in 48 when the seats are swapped too (0.0030%).

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. 64s is worth $101.80 on average (+$1.80); 22 is worth $98.20 (-$1.80).

Run 1,000 deals and the tally comes out near 494 for 64s, 475 for 22 and 31 ties.

The same matchup from the other side

64s versus 22 is this same page seen from the other hand: 50.90% for 64s, 49.10% for 22.

2s2h against 6d4d is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength.

How this was computed

Each figure is a complete count over boards. Take the 24 specific deals, group them by suit pattern, deal all 1,712,304 boards against each, and compare the two seven-card hands. Equity counts a tie as half a win; the flop rows use every one of a board's ten flops.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

Bring your own hands to a session

Review the spots you actually play against these numbers in a Game Assessment, and leave with a one-page written plan.

Book a session