Head to Head
| Australia New South Wales Premier League | 2020/10/09 08:00 | Marconi Stallions v Sydney FC U21 | L | 0-3 |
| Australia New South Wales Premier League | 2020/03/08 07:30 | Sydney FC U21 v Marconi Stallions | W | 0-4 |
| Australia New South Wales Premier League | 2019/06/09 05:00 | Marconi Stallions v Sydney FC U21 | W | 5-2 |
| Australia New South Wales Premier League | 2019/03/23 08:00 | Sydney FC U21 v Marconi Stallions | W | 0-2 |
| Australia New South Wales Premier League | 2018/07/29 05:00 | Marconi Stallions v Sydney FC U21 | W | 4-1 |
| Australia New South Wales Premier League | 2018/05/05 05:00 | Sydney FC U21 v Marconi Stallions | D | 2-2 |
Home History
| Australia Friendlies | 2021/02/07 08:00 | Marconi Stallions v Dunbar Rovers FC | W | 5-0 |
| Australia Friendlies | 2021/02/02 08:56 | Bankstown City Lions FC v Marconi Stallions | W | 1-3 |
| Australia Friendlies | 2021/01/30 08:00 | Rydalmere Lions FC v Marconi Stallions | W | 0-2 |
| Australia Friendlies | 2021/01/27 08:30 | St George City FA v Marconi Stallions | W | 1-2 |
| Australia Friendlies | 2021/01/16 07:02 | Sydney University v Marconi Stallions | W | 0-5 |
| Australia New South Wales Premier League | 2020/10/09 08:00 | Marconi Stallions v Sydney FC U21 | L | 0-3 |
| Australia New South Wales Premier League | 2020/10/02 10:00 | Marconi Stallions v Bulls FC Academy | L | 1-3 |
| Australia New South Wales Premier League | 2020/09/26 06:00 | Marconi Stallions v Manly Utd | D | 1-1 |
Away History
| Australia Friendlies | 2021/02/19 09:00 | SD Raiders FC v Sydney FC U21 | W | 0-4 |
| Australia New South Wales Premier League | 2020/10/09 08:00 | Marconi Stallions v Sydney FC U21 | W | 0-3 |
| Australia New South Wales Premier League | 2020/10/04 04:45 | Sydney FC U21 v Wollongong Wolves | L | 3-4 |
| Australia New South Wales Premier League | 2020/09/26 09:00 | Mt Druitt Town Rangers v Sydney FC U21 | W | 0-5 |
| Australia New South Wales Premier League | 2020/09/20 08:25 | Rockdale Ilinden FC v Sydney FC U21 | L | 4-0 |
| Australia New South Wales Premier League | 2020/09/11 09:30 | Blacktown City v Sydney FC U21 | D | 1-1 |
| Australia New South Wales Premier League | 2020/09/06 05:00 | Sydney United 58 v Sydney FC U21 | L | 4-2 |
| Australia New South Wales Premier League | 2020/08/29 09:00 | Manly Utd v Sydney FC U21 | W | 1-2 |