My predictions:

1. 1114 - 2056 - 1334 - 2337
2. 1310 - 67 - 3476 - 862
3. 469 - 118 - 2590 - 3847
4. 868 - 987 - 2826 - 48
5. 2648 - 33 - 3467 - 4265
6. 359 - 148 - 1477 - 967
7. 3947 - 624 - 245 - 447
8. 195 - 1538 - 1241 - 111

1 > 8 in two matches
2> 7 in three matches
3 > 6 in three matches
4 > 5 in three matches

1 > 4 in three matches
2 < 3 in three matches

1 > 3 in three matches

The alliances are so stacked that the majority of rounds will be decided by a third match.