AvsB CvsD EvsF GvsH
The winner between A and B versus the winner between CD.
Winner between e and f versus winner between GH
Winner to winner, loser to loser.
Then there is the resurrection match. For example, A with the lowest score challenges B with the penultimate score to win A, then B challenges C with the penultimate score to win B C and D with the penultimate score, and so on.