| Australien - WA State League 1 - Reserve | 2023/04/08 07:00 | Rockingham City FC - Reserve v Western Knights - Reserve | L | 3-1 |
| Australien - WA State League 1 - Reserve | 2023/06/24 05:00 | Forrestfield Utd - Reserve v Western Knights - Reserve | D | 1-1 |
| Australien - WA State League 1 - Reserve | 2023/06/17 05:00 | Gwelup Croatia SC - Reserve v Western Knights - Reserve | L | 3-0 |
| Australien - WA State League 1 - Reserve | 2023/06/03 05:00 | Mandurah City FC - Reserve v Western Knights - Reserve | L | 4-0 |
| Australien - WA State League 1 - Reserve | 2023/05/20 05:00 | UWA-Nedlands FC - Reserve v Western Knights - Reserve | L | 1-0 |
| Australien - WA State League 1 - Reserve | 2023/05/13 05:00 | Western Knights - Reserve v Fremantle City FC - Reserve | L | 0-3 |
| Australien - WA State League 1 - Reserve | 2023/04/15 07:00 | Dianella White Eagles - Reserve v Western Knights - Reserve | W | 1-4 |
| Australien - WA State League 1 - Reserve | 2023/04/08 07:00 | Rockingham City FC - Reserve v Western Knights - Reserve | L | 3-1 |
| Australien - WA State League 1 - Reserve | 2023/04/01 05:00 | Western Knights - Reserve v Forrestfield Utd - Reserve | L | 0-1 |
| Australien - WA State League 1 - Reserve | 2023/06/24 05:00 | UWA-Nedlands FC - Reserve v Rockingham City FC - Reserve | L | 3-1 |
| Australien - WA State League 1 - Reserve | 2023/06/17 05:00 | Rockingham City FC - Reserve v Forrestfield Utd - Reserve | L | 0-4 |
| Australien - WA State League 1 - Reserve | 2023/06/10 05:00 | Fremantle City FC - Reserve v Rockingham City FC - Reserve | L | 1-0 |
| Australien - WA State League 1 - Reserve | 2023/06/03 05:00 | Rockingham City FC - Reserve v Gwelup Croatia SC - Reserve | L | 2-4 |
| Australien - WA State League 1 - Reserve | 2023/05/27 05:00 | Murdoch University Melville FC - Reserve v Rockingham City FC - Reserve | L | 3-1 |
| Australien - WA State League 1 - Reserve | 2023/05/20 07:00 | Rockingham City FC - Reserve v Joondalup Utd - Reserve | W | 4-2 |
| Australien - WA State League 1 - Reserve | 2023/04/29 07:00 | Dianella White Eagles - Reserve v Rockingham City FC - Reserve | D | 1-1 |
| Australien - WA State League 1 - Reserve | 2023/04/15 07:00 | Rockingham City FC - Reserve v Subiaco AFC - Reserve | W | 1-0 |