| Australia New South Wales U20 League | 2023/08/05 04:00 | Sydney Olympic U20 v Apia L Tigers U20 | W | 1-0 |
| Australia New South Wales U20 League | 2023/07/22 04:00 | Sydney Olympic U20 v Mt Druitt Town Rangers U20 | L | 2-3 |
| Australia New South Wales U20 League | 2023/07/08 09:52 | NWS Spirit FC U20 v Sydney Olympic U20 | D | 2-2 |
| Australia New South Wales U20 League | 2023/07/01 04:00 | Sydney Olympic U20 v Blacktown City U20 | L | 0-2 |
| Australia New South Wales U20 League | 2023/06/18 07:30 | Sydney Olympic U20 v St George City FA U20 | W | 1-0 |
| Australia New South Wales U20 League | 2023/06/11 03:00 | Rockdale Ilinden FC U20 v Sydney Olympic U20 | D | 2-2 |
| Australia New South Wales U20 League | 2023/05/27 06:30 | Sydney Olympic U20 v Manly United U20 | L | 0-3 |
| Australia New South Wales U20 League | 2023/05/20 06:10 | Sutherland Sharks U20 v Sydney Olympic U20 | L | 2-0 |
| Australia New South Wales U20 League | 2023/08/03 09:30 | Apia L Tigers U20 v Central Coast Mariners U20 | W | 0-5 |
| Australia New South Wales U20 League | 2023/06/11 03:00 | Blacktown City U20 v Central Coast Mariners U20 | W | 1-3 |
| Australia New South Wales U20 League | 2023/04/30 03:00 | Central Coast Mariners U20 v Sydney United U20 | W | 2-0 |
| Australia New South Wales U20 League | 2023/04/23 03:00 | Rockdale Ilinden FC U20 v Central Coast Mariners U20 | L | 1-0 |
| Australia New South Wales U20 League | 2023/04/08 07:00 | St George City FA U20 v Central Coast Mariners U20 | D | 1-1 |
| Australia New South Wales U20 League | 2023/03/19 02:00 | Central Coast Mariners U20 v Mt Druitt Town Rangers U20 | W | 5-2 |
| Australia New South Wales U20 League | 2023/03/04 08:30 | NWS Spirit FC U20 v Central Coast Mariners U20 | L | 3-1 |
| Australia New South Wales U20 League | 2023/02/11 04:00 | Bull FC Academy U20 v Central Coast Mariners U20 | L | 4-2 |