AKo vs 75s: preflop equity

Before any board card is dealt, AKo holds 59.69% equity against 75s, which leaves 75s with 40.31%.

AKo

59.69%

Wins 59.46%, ties 0.46%

75s

40.31%

Wins 40.08%, ties 0.46%

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

AKo against 75s: the numbers

Exact preflop results for AKo against 75s, in percent
HandWinsTiesLosesEquity
AKo59.4590.46340.07859.690
75s40.0780.46359.45940.310

One side is an offsuit hand, the other is a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

AKo is ahead, but 75s is far from dead: it takes 401 of every 1,000 deals outright. A split pot comes up on 0.46% of boards, so the wins and the equity differ by half of that.

The hand ranking puts AKo at 12 and 75s at 124 out of 169 starting hands.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AKo48,870,000381,00032,940,000
75s32,940,000381,00048,870,000

The board total is exact, 48 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

AKo against 75s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AKo1.4811.6822.4950.675
75s0.6752.4951.6821.481

In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.

Who is ahead on which flops

Split by what the flop looks like, AKo peaks at 67.77% on rainbow flops topped by a ten or better and bottoms out at 33.34% on low rainbow flops (nine high or lower). 75s takes over on low rainbow flops (nine high or lower), so the favorite before the flop is the underdog on those boards.

AKo against 75s by flop texture, in percent
FlopShare of flopsAKo winsTies75s winsAKo equity
Rainbow, ten or higher24.71767.6810.17932.14067.770
Rainbow, nine or lower6.31332.9530.78166.26633.343
Two-tone46.66757.8570.28741.85658.000
Monotone5.21256.8112.40540.78458.014
Paired17.09162.5430.64536.81262.865

A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank.

Compared with a random hand

Against one random hand instead, AKo holds 65.32% and 75s holds 43.68%. Facing each other changes that by -5.63 points for AKo and -3.37 points for 75s.

AKo and 75s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AKo, all flops59.69065.320-5.6300.91381
AKo, rainbow, ten or higher67.77065.320+2.4501.03751
AKo, rainbow, nine or lower33.34365.320-31.9770.51046
AKo, two-tone58.00065.320-7.3200.88794
AKo, monotone58.01465.320-7.3060.88815
AKo, paired62.86565.320-2.4550.96242
75s, all flops40.31043.676-3.3660.92293
75s, rainbow, ten or higher32.23043.676-11.4460.73793
75s, rainbow, nine or lower66.65743.676+22.9811.52617
75s, two-tone42.00043.676-1.6760.96163
75s, monotone41.98643.676-1.6900.96131
75s, paired37.13543.676-6.5410.85024

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common AKo has 60.39% equity, and with none in common it has 58.99%. AKo does better with a shared suit, by 1.40 points.

AKo against 75s by suit overlap, in percent
DealsSpecific dealsShare of dealsAKo winsTies75s winsAKo equity
Share a suit2450.0060.1400.50439.35660.392
No shared suit2450.0058.7780.42240.80058.989

How often this matchup comes up

AKo against 75s is made up of 48 specific-card matchups in one seat order, 0.0030% of the 1,624,350 ordered deals, and 96 counting both seat orders, 0.0059%.

A worked example

Take a $200 pot built from $100 each. AKo's equity of 59.69% is worth $119.38, a $19.38 edge, and 75s' 40.31% is worth $80.62, which is $19.38 under its stake.

Think in thousands: about 594 of 1,000 go to AKo, about 401 go to 75s, and about 5 are chopped.

The same matchup from the other side

Swap the hands and you get 75s with 40.31% against AKo with 59.69%. We keep one page per matchup, with the better-ranked hand first.

The calculator link fills in AsKh against 7d5d, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength.

How this was computed

Method: exact enumeration. The 48 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board.

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

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