| Date | Contest | Winner |
|---|---|---|
| 31 Aug 1918 | South Wales & Monmouthshire Brass Band Association (D Section) |
Caerphilly Silver
|
| 06 Aug 1918 | Felinfoel Contest (Section B) |
Penygroes
|
| 05 Aug 1918 | West Wales BBA Contest (Class B) |
Penygroes
|
| 03 Aug 1918 | Llangennech Contest (Class B) |
Ammanford
|
| 13 Jul 1918 | Pontardulais Contest (Class B) |
Penygroes Silver
|
| 13 Jul 1918 | Moira Contest |
Ibstock United
|
| 06 Jul 1918 | Aberaman Contest (Class C) |
Abergorchy Town
|