A6s vs T8s: preflop equity

If A6s and T8s get all the chips in before the flop, A6s owns 56.05% of the pot in the long run and T8s owns 43.95%.

A6s

56.05%

Wins 55.82%, ties 0.46%

T8s

43.95%

Wins 43.72%, ties 0.46%

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

A6s against T8s: the numbers

Exact preflop results for A6s against T8s, in percent
HandWinsTiesLosesEquity
A6s55.8150.46143.72456.046
T8s43.7240.46155.81543.954

Both hands are suited hands: A6s and T8s. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

The lead is steady rather than large, and the flop still has plenty of say in who wins. Ties are part of the picture: 0.46% of boards end in a split pot, and each side counts that as half a win.

For context, A6s sits at number 31 of 169 starting hands and T8s at number 73 when each is run against a random hand.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
A6s15,292,000126,00011,979,000
T8s11,979,000126,00015,292,000

16 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand.

A6s against T8s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
A6s1.2751.7922.2870.784
T8s0.7842.2871.7921.275

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

Paired flops are the best for A6s (61.67%); low rainbow flops (nine high or lower) are the worst (52.40%). A6s stays ahead on all five textures.

A6s against T8s by flop texture, in percent
FlopShare of flopsA6s winsTiesT8s winsA6s equity
Rainbow, ten or higher24.54355.8000.15944.04155.879
Rainbow, nine or lower6.36652.1470.51247.34152.403
Two-tone46.72754.7220.21445.06454.829
Monotone5.27352.0623.38944.54953.757
Paired17.09161.3490.64938.00261.674

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

Relative to a random opponent, A6s changes by -3.86 points (baseline 59.91%) and T8s by -8.38 points (baseline 52.33%).

A6s and T8s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
A6s, all flops56.04659.906-3.8600.93557
A6s, rainbow, ten or higher55.87959.906-4.0270.93278
A6s, rainbow, nine or lower52.40359.906-7.5030.87475
A6s, two-tone54.82959.906-5.0770.91525
A6s, monotone53.75759.906-6.1490.89736
A6s, paired61.67459.906+1.7681.02951
T8s, all flops43.95452.334-8.3800.83987
T8s, rainbow, ten or higher44.12152.334-8.2130.84307
T8s, rainbow, nine or lower47.59752.334-4.7370.90949
T8s, two-tone45.17152.334-7.1630.86313
T8s, monotone46.24352.334-6.0910.88361
T8s, paired38.32652.334-14.0080.73233

Does a shared suit matter?

Does suit overlap move the numbers? A6s has 57.81% when the hands share a suit and 55.46% when they do not. A6s does better with a shared suit, by 2.35 points.

A6s against T8s by suit overlap, in percent
DealsSpecific dealsShare of dealsA6s winsTiesT8s winsA6s equity
Share a suit425.0057.5410.53641.92357.809
No shared suit1275.0055.2400.43644.32455.458

How often this matchup comes up

This page stands for 16 specific-card matchups (0.0010% of 1,624,350 ordered deals), or 32 once you count the seats both ways (0.0020%).

A worked example

With $100 from each side, the $200 pot is split on average as $112.10 for A6s and $87.90 for T8s; the first side gains $12.10 per all-in and the second gives up $12.10.

Scaled to 1,000 deals, that is roughly 558 wins for A6s, 437 for T8s and 5 chopped pots.

The same matchup from the other side

The mirror image, T8s against A6s, is 43.95% to 56.05%, and its address redirects to this page.

As6s against Th8h 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

All 1,712,304 five-card boards are dealt for every suit pattern among the 16 specific deals of A6s against T8s, and both hands are scored on each. That is a full count, so the percentages are exact. Ties are half a win each, and each board appears once per flop it contains.

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

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