| Australia Western Australia U20 League | 2017/07/15 05:02 | Cockburn City U20 v Joondalup United U20 | W | 4-0 |
| Australia Western Australia U20 League | 2017/03/25 05:47 | Joondalup United U20 v Cockburn City U20 | W | 0-3 |
| Australia Western Australia U20 League | 2018/06/23 05:03 | Bayswater City U20 v Cockburn City U20 | L | 3-0 |
| Australia Western Australia U20 League | 2018/06/09 05:04 | Cockburn City U20 v Inglewood Utd U20 | W | 5-1 |
| Australia Western Australia U20 League | 2018/06/02 05:03 | Stirling Lions U20 v Cockburn City U20 | W | 0-4 |
| Australia Western Australia U20 League | 2018/05/12 08:01 | Armadale U20 v Cockburn City U20 | W | 0-4 |
| Australia Western Australia U20 League | 2018/05/01 12:01 | Floreat Athena U20 v Cockburn City U20 | W | 2-3 |
| Australia Western Australia U20 League | 2018/04/28 05:00 | Balcatta U20 v Cockburn City U20 | W | 1-3 |
| Australia Western Australia U20 League | 2018/04/21 05:02 | Cockburn City U20 v Sorrento U20 | L | 0-2 |
| Australia Western Australia U20 League | 2018/04/14 09:03 | Forrestfield United U20 v Cockburn City U20 | W | 0-1 |
| Australia Western Australia U20 League | 2018/06/23 05:02 | Joondalup United U20 v Floreat Athena U20 | L | 1-3 |
| Australia Western Australia U20 League | 2018/05/26 05:00 | Joondalup United U20 v Armadale U20 | L | 3-5 |
| Australia Western Australia U20 League | 2018/05/05 07:00 | Joondalup United U20 v Inglewood Utd U20 | L | 1-3 |
| Australia Western Australia U20 League | 2018/05/01 12:01 | Joondalup United U20 v Stirling Lions U20 | L | 1-4 |
| Australia Western Australia U20 League | 2018/04/28 05:02 | Sorrento U20 v Joondalup United U20 | L | 8-1 |
| Australia Western Australia U20 League | 2018/04/21 08:08 | Joondalup United U20 v Perth RedStar FC U20 | D | 0-0 |
| Australia Western Australia U20 League | 2018/04/14 05:00 | Balcatta U20 v Joondalup United U20 | L | 6-0 |
| Australia Western Australia U20 League | 2018/04/07 05:02 | Joondalup United U20 v Forrestfield United U20 | L | 0-2 |