| Australia New South Wales U20 League | 2023/05/06 06:30 | Sydney Olympic U20 v Marconi Stallions U20 | L | 3-2 |
| Australia New South Wales U20 League | 2022/06/19 03:45 | Sydney Olympic U20 v Marconi Stallions U20 | W | 1-2 |
| Australia New South Wales U20 League | 2022/05/10 09:30 | Marconi Stallions U20 v Sydney Olympic U20 | L | 1-2 |
| Australia New South Wales U20 League | 2021/04/17 06:00 | Marconi Stallions U20 v Sydney Olympic U20 | W | 2-0 |
| Australia New South Wales U20 League | 2020/09/05 04:00 | Marconi Stallions U20 v Sydney Olympic U20 | D | 1-1 |
| Australia New South Wales U20 League | 2020/03/14 04:01 | Marconi Stallions U20 v Sydney Olympic U20 | W | 2-1 |
| Australia New South Wales U20 League | 2019/07/28 03:48 | Sydney Olympic U20 v Marconi Stallions U20 | L | 2-0 |
| Australia New South Wales U20 League | 2019/05/04 07:02 | Marconi Stallions U20 v Sydney Olympic U20 | D | 1-1 |
| Australia New South Wales U20 League | 2023/08/13 03:00 | Mt Druitt Town Rangers U20 v Marconi Stallions U20 | W | 0-4 |
| Australia New South Wales U20 League | 2023/07/30 03:00 | Rockdale Ilinden FC U20 v Marconi Stallions U20 | W | 0-1 |
| Australia New South Wales U20 League | 2023/07/22 06:45 | Marconi Stallions U20 v NWS Spirit FC U20 | W | 2-0 |
| Australia New South Wales U20 League | 2023/07/08 07:00 | Manly United U20 v Marconi Stallions U20 | L | 1-0 |
| Australia New South Wales U20 League | 2023/07/01 06:10 | Sutherland Sharks U20 v Marconi Stallions U20 | W | 0-2 |
| Australia New South Wales U20 League | 2023/06/25 03:00 | Blacktown City U20 v Marconi Stallions U20 | L | 3-1 |
| Australia New South Wales U20 League | 2023/06/17 06:45 | Marconi Stallions U20 v Apia L Tigers U20 | W | 2-1 |
| Australia New South Wales U20 League | 2023/06/10 07:00 | St George City FA U20 v Marconi Stallions U20 | W | 1-5 |
| Australia New South Wales U20 League | 2023/08/13 10:03 | Wollongong Wolves U20 v Sydney Olympic U20 | W | 0-1 |
| Australia New South Wales U20 League | 2023/08/09 09:00 | Sydney Olympic U20 v Central Coast Mariners U20 | L | 1-3 |
| 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 |