| Australia - Australia Occidental - Liga sub-20 | 2018/02/24 09:00 | Armadale sub-20 v Joondalup United sub-20 | L | 3-0 |
| Australia - Australia Occidental - Liga sub-20 | 2017/08/26 04:58 | Armadale sub-20 v Joondalup United sub-20 | L | 3-1 |
| Australia - Australia Occidental - Liga sub-20 | 2017/05/13 05:01 | Joondalup United sub-20 v Armadale sub-20 | D | 1-1 |
| Australia - Australia Occidental - Liga sub-20 | 2018/05/05 07:00 | Joondalup United sub-20 v Inglewood Utd sub-20 | L | 1-3 |
| Australia - Australia Occidental - Liga sub-20 | 2018/05/01 12:01 | Joondalup United sub-20 v Stirling Lions sub-20 | L | 1-4 |
| Australia - Australia Occidental - Liga sub-20 | 2018/04/28 05:02 | Sorrento sub-20 v Joondalup United sub-20 | L | 8-1 |
| Australia - Australia Occidental - Liga sub-20 | 2018/04/21 08:08 | Joondalup United sub-20 v Perth RedStar FC sub-20 | D | 0-0 |
| Australia - Australia Occidental - Liga sub-20 | 2018/04/14 05:00 | Balcatta sub-20 v Joondalup United sub-20 | L | 6-0 |
| Australia - Australia Occidental - Liga sub-20 | 2018/04/07 05:02 | Joondalup United sub-20 v Forrestfield United sub-20 | L | 0-2 |
| Australia - Australia Occidental - Liga sub-20 | 2018/03/24 09:00 | Floreat Athena sub-20 v Joondalup United sub-20 | L | 5-1 |
| Australia - Australia Occidental - Liga sub-20 | 2018/03/17 09:01 | Joondalup United sub-20 v Subiaco AFC sub-20 | L | 1-2 |
| Australia - Australia Occidental - Liga sub-20 | 2018/05/12 08:01 | Armadale sub-20 v Cockburn City sub-20 | L | 0-4 |
| Australia - Australia Occidental - Liga sub-20 | 2018/04/28 05:04 | Floreat Athena sub-20 v Armadale sub-20 | L | 2-0 |
| Australia - Australia Occidental - Liga sub-20 | 2018/04/21 05:02 | Armadale sub-20 v Subiaco AFC sub-20 | L | 0-6 |
| Australia - Australia Occidental - Liga sub-20 | 2018/04/14 05:02 | Perth RedStar FC sub-20 v Armadale sub-20 | L | 7-0 |
| Australia - Australia Occidental - Liga sub-20 | 2018/04/07 04:58 | Balcatta sub-20 v Armadale sub-20 | L | 5-3 |
| Australia - Australia Occidental - Liga sub-20 | 2018/03/31 05:01 | Bayswater City sub-20 v Armadale sub-20 | L | 5-0 |
| Australia - Australia Occidental - Liga sub-20 | 2018/03/17 05:03 | Stirling Lions sub-20 v Armadale sub-20 | D | 0-0 |
| Australia - Australia Occidental - Liga sub-20 | 2018/03/10 03:02 | Armadale sub-20 v Perth SC sub-20 | L | 0-8 |