1 v 4 - Game 1
2 v 3 - Game 2

5 v 8 - Game 3
6 v 7 - Game 4

Winner of 1 & 2 have a rest
Loser of 1 & 2 play winner of 3 & 4 (not sure which match-up) - Game 5 & 6
Loser of 3 & 4 are eliminated

Winner of 5 & 6 play winner of 1 & 2 - Game 7 & 8

Winner of 7 & 8 play off in R22 for the title


So it's the same as the AFL finals system