I'm not sure I understand what you mean.
It would be kind of amazing if we knew for a fact that Card 1 would win in every round except the third round
Imagine this:
You are observing a game of HiLo.
You are noticing Card 1 losing in one round, and Card 2 winning in the round after that.
The
next time you see Card 1 lose, you are laying Card 2 in the round after that.