TT vs JTo: preflop equity

Before any board card is dealt, TT holds 64.88% equity against JTo, which leaves JTo with 35.12%.

TT

64.88%

Wins 63.93%, ties 1.90%

JTo

35.12%

Wins 34.17%, ties 1.90%

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

TT against JTo: the numbers

Exact preflop results for TT against JTo, in percent
HandWinsTiesLosesEquity
TT63.9301.89734.17364.878
JTo34.1731.89763.93035.122

The matchup pits a pocket pair against an offsuit hand. The pair already holds one of the other hand's ranks, and that overlap cuts down the cards the other hand can pair with.

The lead is steady rather than large, and the flop still has plenty of say in who wins. Ties are part of the picture: 1.90% of boards end in a split pot, and each side counts that as half a win.

Place 5 of 169 belongs to TT and place 57 belongs to JTo in the ranking against a random hand.

Boards behind the percentages: 61,642,944 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
TT39,408,0001,169,00021,065,000
JTo21,065,0001,169,00039,408,000

The board total is exact, 36 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

TT against JTo read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
TT1.8471.5642.9260.541
JTo0.5412.9261.5641.847

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

Split by what the flop looks like, TT peaks at 78.16% on low rainbow flops (nine high or lower) and bottoms out at 58.82% on monotone flops. TT stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

TT against JTo by flop texture, in percent
FlopShare of flopsTT winsTiesJTo winsTT equity
Rainbow, ten or higher23.05357.8982.33039.77259.063
Rainbow, nine or lower7.77177.3341.64721.01978.157
Two-tone46.21562.2482.06035.69263.278
Monotone5.13057.6092.41639.97558.817
Paired17.83172.0630.87727.06072.502

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

Compared with a random hand

How much does the opponent matter? Compared with its random-hand 75.01%, TT changes by -10.13 points, and JTo, from 55.25%, by -20.13.

TT and JTo here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
TT, all flops64.87875.012-10.1340.86490
TT, rainbow, ten or higher59.06375.012-15.9490.78738
TT, rainbow, nine or lower78.15775.012+3.1451.04193
TT, two-tone63.27875.012-11.7340.84357
TT, monotone58.81775.012-16.1950.78410
TT, paired72.50275.012-2.5100.96654
JTo, all flops35.12255.248-20.1260.63572
JTo, rainbow, ten or higher40.93755.248-14.3110.74097
JTo, rainbow, nine or lower21.84355.248-33.4050.39536
JTo, two-tone36.72255.248-18.5260.66468
JTo, monotone41.18355.248-14.0650.74542
JTo, paired27.49855.248-27.7500.49772

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common TT has 64.79% equity, and with none in common it has 65.05%. TT does better with no shared suit, by 0.26 points.

TT against JTo by suit overlap, in percent
DealsSpecific dealsShare of dealsTT winsTiesJTo winsTT equity
Share a suit2466.6763.8261.93234.24264.792
No shared suit1233.3364.1361.82734.03765.050

How often this matchup comes up

You will meet this exact matchup 0.0044% of the time in a random heads-up deal: 72 of 1,624,350, counting either seat order.

A worked example

To see what the equity is worth, imagine $100 each in a $200 pot. TT is worth $129.76 on average (+$29.76); JTo is worth $70.24 (-$29.76).

In 1,000 deals of exactly this matchup, expect about 639 won outright by TT, about 342 won outright by JTo and about 19 split.

The same matchup from the other side

If you came looking for JTo against TT, the numbers are the same with the hands swapped: 35.12% and 64.88%.

Open the calculator with TsTh against JdTc already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.

How this was computed

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 36 specific deals, both seven-card hands evaluated. A tie is worth half a win to each hand, and a board is tallied under each of its ten possible flops for the texture rows.

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

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