Round 1
| Date | Winner | Score | Loser | Score | Venue |
|---|---|---|---|---|---|
| 15/03/78 | Illawarra | 63 | Wellington | 5 | Wollongong |
| 26/03/78 | Toowoomba | 22 | Ipswich | 12 | Ipswich |
| 30/03/78 | Gold Coast | 18 | North Qld | 16 | Gold Coast |
| 2/04/78 | Western Australia | 21 | Northern Territory | 18 | Darwin |
| 5/04/78 | Wide Bay | 12 | Central Qld | 3 | Maryborough |
| 8/04/78 | Western Division | 12 | Southern Division | 4 | Campbelltown |
Read more about this topic: 1978 Amco Cup