| Australia WA State League 1 Reserves | 2023/05/20 07:00 | Rockingham City FC Reserves v Joondalup Utd Reserves | L | 4-2 |
| Australia WA State League 1 Reserves | 2023/07/29 05:00 | Mandurah City FC Reserves v Joondalup Utd Reserves | W | 0-3 |
| Australia WA State League 1 Reserves | 2023/07/15 05:00 | UWA-Nedlands FC Reserves v Joondalup Utd Reserves | W | 1-2 |
| Australia WA State League 1 Reserves | 2023/07/08 05:00 | Joondalup Utd Reserves v Fremantle City FC Reserves | W | 3-1 |
| Australia WA State League 1 Reserves | 2023/07/01 05:00 | Murdoch University Melville FC Reserves v Joondalup Utd Reserves | W | 1-2 |
| Australia WA State League 1 Reserves | 2023/06/24 05:00 | Gosnells City Reserves v Joondalup Utd Reserves | W | 0-2 |
| Australia WA State League 1 Reserves | 2023/06/17 07:00 | Dianella White Eagles Reserves v Joondalup Utd Reserves | W | 0-2 |
| Australia WA State League 1 Reserves | 2023/06/03 05:00 | Joondalup Utd Reserves v Forrestfield Utd Reserves | W | 2-1 |
| Australia WA State League 1 Reserves | 2023/05/27 05:00 | Gwelup Croatia SC Reserves v Joondalup Utd Reserves | D | 4-4 |
| Australia WA State League 1 Reserves | 2023/07/29 05:00 | Gosnells City Reserves v Rockingham City FC Reserves | W | 0-4 |
| Australia WA State League 1 Reserves | 2023/07/22 05:00 | Mandurah City FC Reserves v Rockingham City FC Reserves | L | 4-1 |
| Australia WA State League 1 Reserves | 2023/07/15 05:00 | Rockingham City FC Reserves v Dianella White Eagles Reserves | L | 1-3 |
| Australia WA State League 1 Reserves | 2023/07/08 05:00 | Subiaco AFC Reserves v Rockingham City FC Reserves | L | 2-1 |
| Australia WA State League 1 Reserves | 2023/07/01 05:00 | Western Knights Reserves v Rockingham City FC Reserves | L | 4-3 |
| Australia WA State League 1 Reserves | 2023/06/24 05:00 | UWA-Nedlands FC Reserves v Rockingham City FC Reserves | L | 3-1 |
| Australia WA State League 1 Reserves | 2023/06/17 05:00 | Rockingham City FC Reserves v Forrestfield Utd Reserves | L | 0-4 |
| Australia WA State League 1 Reserves | 2023/06/10 05:00 | Fremantle City FC Reserves v Rockingham City FC Reserves | L | 1-0 |