| Australia New South Wales U20 League | 2020/10/09 06:00 | Marconi Stallions U20 v Sydney FC U20 | L | 0-3 |
| Australia New South Wales U20 League | 2019/03/23 06:00 | Sydney FC U20 v Marconi Stallions U20 | D | 0-0 |
| Australia New South Wales U20 League | 2020/10/09 06:00 | Marconi Stallions U20 v Sydney FC U20 | L | 0-3 |
| Australia New South Wales U20 League | 2020/10/02 08:00 | Marconi Stallions U20 v North Shore Mariners U20 | W | 2-0 |
| Australia New South Wales U20 League | 2020/09/26 04:00 | Marconi Stallions U20 v Manly United U20 | W | 2-1 |
| Australia New South Wales U20 League | 2020/09/12 04:00 | Marconi Stallions U20 v Mt Druitt Town Rangers U20 | W | 3-2 |
| 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 | 2020/08/28 11:25 | Blacktown City U20 v Marconi Stallions U20 | D | 1-1 |
| Australia New South Wales U20 League | 2020/08/22 04:00 | Marconi Stallions U20 v Western Sydney Wanderers U20 | W | 3-1 |
| Australia New South Wales U20 League | 2020/08/16 06:30 | Wollongong Wolves U20 v Marconi Stallions U20 | L | 3-0 |
| Australia New South Wales U20 League | 2020/10/25 02:00 | Sydney FC U20 v Blacktown City U20 | L | 1-2 |
| Australia New South Wales U20 League | 2020/10/17 05:30 | Sydney FC U20 v Rockdale City Suns U20 | W | 3-1 |
| Australia New South Wales U20 League | 2020/10/09 06:00 | Marconi Stallions U20 v Sydney FC U20 | W | 0-3 |
| Australia New South Wales U20 League | 2020/10/04 07:30 | Sydney FC U20 v Wollongong Wolves U20 | W | 4-0 |
| Australia New South Wales U20 League | 2020/09/26 07:00 | Mt Druitt Town Rangers U20 v Sydney FC U20 | W | 1-2 |
| Australia New South Wales U20 League | 2020/09/20 06:30 | Rockdale Ilinden FC U20 v Sydney FC U20 | L | 2-0 |
| Australia New South Wales U20 League | 2020/09/11 07:30 | Blacktown City U20 v Sydney FC U20 | L | 2-0 |
| Australia New South Wales U20 League | 2020/08/22 05:00 | Apia L Tigers U20 v Sydney FC U20 | D | 0-0 |