T9s vs 75s: preflop equity

In equity, T9s against 75s stands at 64.56% to 35.44%, a gap of 29.12 points.

T9s

64.56%

Wins 63.69%, ties 1.74%

75s

35.44%

Wins 34.57%, ties 1.74%

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

T9s against 75s: the numbers

Exact preflop results for T9s against 75s, in percent
HandWinsTiesLosesEquity
T9s63.6901.73934.57164.559
75s34.5711.73963.69035.441

The matchup is suited hands on both sides, T9s against 75s. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

T9s is ahead, but 75s is far from dead: it takes 346 of every 1,000 deals outright. Split pots make up 1.74% of the boards, and both equity figures count them as half a win each.

Among the 169 starting hands, T9s is number 64 and 75s is number 124 by strength against a random hand.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
T9s17,449,000476,0009,471,000
75s9,471,000476,00017,449,000

The board total is exact, 16 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

T9s against 75s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
T9s1.8221.5702.8930.549
75s0.5492.8931.5701.822

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

T9s prefers rainbow flops topped by a ten or better, where it holds 68.83%, and likes low rainbow flops (nine high or lower) least, where it holds 50.28%. T9s stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal.

T9s against 75s by flop texture, in percent
FlopShare of flopsT9s winsTies75s winsT9s equity
Rainbow, ten or higher25.22068.2531.14430.60368.825
Rainbow, nine or lower5.68950.0880.39249.52050.284
Two-tone46.72763.7670.91635.31764.225
Monotone5.27359.7023.86236.43661.633
Paired17.09162.5004.66232.83864.831

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, T9s holds 54.03% and 75s holds 43.68%. Facing each other changes that by +10.53 points for T9s and -8.24 points for 75s.

T9s and 75s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
T9s, all flops64.55954.028+10.5311.19492
T9s, rainbow, ten or higher68.82554.028+14.7971.27388
T9s, rainbow, nine or lower50.28454.028-3.7440.93070
T9s, two-tone64.22554.028+10.1971.18874
T9s, monotone61.63354.028+7.6051.14076
T9s, paired64.83154.028+10.8031.19995
75s, all flops35.44143.676-8.2350.81145
75s, rainbow, ten or higher31.17543.676-12.5010.71378
75s, rainbow, nine or lower49.71643.676+6.0401.13829
75s, two-tone35.77543.676-7.9010.81910
75s, monotone38.36743.676-5.3090.87845
75s, paired35.16943.676-8.5070.80522

Does a shared suit matter?

Of the deals of this matchup, 4 share a suit (T9s at 67.08%) and 12 do not (63.72%). T9s does better with a shared suit, by 3.36 points.

T9s against 75s by suit overlap, in percent
DealsSpecific dealsShare of dealsT9s winsTies75s winsT9s equity
Share a suit425.0066.1321.88631.98267.075
No shared suit1275.0062.8751.69035.43563.720

How often this matchup comes up

Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%.

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average T9s takes back $129.12 of it, which is $29.12 more than it put in, and 75s takes back $70.88, $29.12 less than it put in.

Out of 1,000 deals you should see around 637 outright wins for T9s, 346 for 75s, and 17 split pots.

The same matchup from the other side

75s versus T9s is this same page seen from the other hand: 35.44% for 75s, 64.56% for T9s.

Ts9s against 7h5h 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

Method: exact enumeration. The 16 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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