AKo vs AJo: ace-king offsuit against ace-jack offsuit
All in before the flop, ace-king offsuit wins 71.7%, ace-jack offsuit wins 23.6%, and 4.7% of boards split the pot.
AKo wins 71.7%Split 4.7%AJo wins 23.6%
A better kicker again: ace-jack mostly needs one of the three jacks left, and ace-king wins 71.7%.

Every board, counted
108ways to deal AKo against AJo
1,712,304boards for each of them
74.1%AKo’s share of the pot, a split counted as half
Nothing here is sampled: every five-card board was dealt for every way the two hands can be held, and each showdown scored with the hand ranking Quads teaches.
Suits move it a little. Ace-king offsuit’s share of the pot runs from 73.6%, with A♠ K♥ against A♥ J♦, to 74.4%, with A♠ K♥ against A♦ J♠.
The two hands
- AKo, ace-king offsuitNumber 12 of 169, and 65.3% of the pot against one random hand.
- AJo, ace-jack offsuitNumber 15 of 169, and 63.6% of the pot against one random hand.
More match-ups with these hands
Try any two hands, and a board, in the poker odds calculator, or see every match-up and all 169 starting hands.

Quads is for adults, 18 and over. It teaches with play chips only: there is no real money, ever.