Do you mean the Hasek puzzle which starts Kb1 for white? Rh8 doesn't change the approach for white here, in fact the move order is exactly the same. You want to block the rook with the king for one move so that the white king has enough time to protect g2 before the rook arrives.
No, if you try that line, you will find that black gets to h2 one move earlier because its king did not move to g7 first, and therefore the white position collapses. But trykondev found a correct answer 2. Rf8!
So move order (as I see it) would start:
1. Kb1 Rh8, 2. Rh6 Kxh6, 3. Kc1... etc.