99 vs JTo: preflop equity

99 against JTo: the numbers

We compare a pocket pair with an offsuit hand. A pair against two higher cards is the classic race: the pair is usually a small favorite or close to even, and each overcard that pairs is a way to take the lead.

99 leads by less than 8 points of equity, so the result of any one deal is close to a toss-up. 0.40% of boards are ties, so the equity of each hand is its win rate plus half of that.

Ranked by equity against a random hand, 99 is number 6 of the 169 starting hands and JTo is number 57.

The board total is exact, 72 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity.

Who is ahead on which flops

99 prefers low rainbow flops (nine high or lower), where it holds 77.14%, and likes rainbow flops topped by a ten or better least, where it holds 46.30%. The overall edge for 99 hides rainbow flops topped by a ten or better, where JTo comes out in front.

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 -18.24 points for 99, from 72.06%, and -9.07 for JTo, from 55.25%.

Does a shared suit matter?

Split by suits, the deals give 99 53.73% when the hands overlap in a suit and 54.28% when they do not. 99 does better with no shared suit, by 0.55 points.

How often this matchup comes up

How often does it happen? 72 of the 1,624,350 ordered deals (0.0044%) are 99 against JTo, and 144 (0.0089%) if either hand may sit in either seat.

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average 99 takes back $107.64 of it, which is $7.64 more than it put in, and JTo takes back $92.36, $7.64 less than it put in.

Over a long run, 1,000 deals split into about 536 for 99, 460 for JTo and 4 tied.

The same matchup from the other side

JTo against 99 adds nothing new: it is 46.18% for JTo and 53.82% for 99, the same figures reversed.

Keep exploring

Try 9s9h against JdTc in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

• Open 9s9h against JdTc in the equity calculator
• 99 combos
• JTo combos
• 99 vs T9s
• 99 vs 33
• 88 vs JTo
• All hand matchups