AKo vs JTs: preflop equity

The exact count puts AKo at 59.49% and JTs at 40.51% when the two hands see all five board cards.

AKo

59.49%

Wins 59.26%, ties 0.46%

JTs

40.51%

Wins 40.28%, ties 0.46%

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

AKo against JTs: the numbers

Exact preflop results for AKo against JTs, in percent
HandWinsTiesLosesEquity
AKo59.2550.46340.28259.486
JTs40.2820.46359.25540.514

Here an offsuit hand (AKo) meets a suited hand (JTs). 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. About 0.46% of boards chop the pot, which is why equity sits slightly above the win figure for both hands.

AKo ranks number 12 of 169 starting hands, and JTs ranks number 45, by equity against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
AKo48,702,000381,00033,108,000
JTs33,108,000381,00048,702,000

The total is exact: 48 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand.

AKo against JTs read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
AKo1.4681.6882.4820.681
JTs0.6812.4821.6881.468

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

The flop changes the picture. AKo does best on low rainbow flops (nine high or lower), at 67.21%, and worst on two-tone flops, at 57.87%. AKo stays ahead on all five textures.

AKo against JTs by flop texture, in percent
FlopShare of flopsAKo winsTiesJTs winsAKo equity
Rainbow, ten or higher23.26058.2140.11841.66858.273
Rainbow, nine or lower7.77066.7510.92432.32567.213
Two-tone46.66757.7200.29241.98857.866
Monotone5.21256.7652.38340.85257.956
Paired17.09162.2100.60837.18262.514

Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank.

Compared with a random hand

Each hand has a baseline against a random hand: 65.32% for AKo, 57.53% for JTs. Here the change is -5.83 and -17.02 points.

AKo and JTs here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
AKo, all flops59.48665.320-5.8340.91069
AKo, rainbow, ten or higher58.27365.320-7.0470.89212
AKo, rainbow, nine or lower67.21365.320+1.8931.02898
AKo, two-tone57.86665.320-7.4540.88588
AKo, monotone57.95665.320-7.3640.88726
AKo, paired62.51465.320-2.8060.95704
JTs, all flops40.51457.528-17.0140.70425
JTs, rainbow, ten or higher41.72757.528-15.8010.72533
JTs, rainbow, nine or lower32.78757.528-24.7410.56993
JTs, two-tone42.13457.528-15.3940.73241
JTs, monotone42.04457.528-15.4840.73084
JTs, paired37.48657.528-20.0420.65161

Does a shared suit matter?

The suit split reads 60.15% for AKo with a shared suit and 58.82% without one. AKo does better with a shared suit, by 1.33 points.

AKo against JTs by suit overlap, in percent
DealsSpecific dealsShare of dealsAKo winsTiesJTs winsAKo equity
Share a suit2450.0059.9000.50439.59660.152
No shared suit2450.0058.6090.42340.96858.820

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 48 are AKo in one seat and JTs in the other (0.0030%); with the seats swapped too, 96 (0.0059%).

A worked example

Put $100 each into a $200 pot and deal every board once: AKo averages $118.98 back, ahead of its $100 by $18.98, while JTs averages $81.02, short of its $100 by $18.98.

Per 1,000 deals: AKo wins about 592, JTs wins about 403, and about 5 end in a split pot.

The same matchup from the other side

If you came looking for JTs against AKo, the numbers are the same with the hands swapped: 40.51% and 59.49%.

Try AsKh against JdTd 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.

How this was computed

The page is built from a full enumeration: 1,712,304 boards, every suit pattern of the 48 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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