| Australia New South Wales U20 League | 2020/09/26 04:00 | Marconi Stallions U20 v Manly United U20 | L | 2-1 |
| Australia New South Wales U20 League | 2019/06/16 03:03 | Manly United U20 v Marconi Stallions U20 | W | 3-1 |
| Australia New South Wales U20 League | 2019/04/30 09:04 | Marconi Stallions U20 v Manly United U20 | W | 1-4 |
| Australia New South Wales U20 League | 2018/06/16 05:04 | Manly United U20 v Marconi Stallions U20 | D | 1-1 |
| Australia New South Wales U20 League | 2018/03/31 06:03 | Marconi Stallions U20 v Manly United U20 | L | 2-1 |
| Australia New South Wales U20 League | 2021/05/02 02:30 | Sydney United U20 v Manly United U20 | L | 5-1 |
| Australia New South Wales U20 League | 2021/04/17 03:00 | Bull FC Academy U20 v Manly United U20 | W | 0-1 |
| Australia New South Wales U20 League | 2021/04/10 07:00 | Manly United U20 v Sydney Olympic U20 | W | 1-0 |
| Australia New South Wales U20 League | 2021/04/02 06:00 | Manly United U20 v Sydney FC U20 | W | 1-0 |
| Australia New South Wales U20 League | 2021/03/27 08:15 | Apia L Tigers U20 v Manly United U20 | W | 2-5 |
| Australia New South Wales U20 League | 2021/03/21 02:00 | Rockdale Ilinden FC U20 v Manly United U20 | W | 0-4 |
| Australia New South Wales U20 League | 2021/03/13 06:00 | Manly United U20 v Blacktown City U20 | L | 0-1 |
| Australia New South Wales U20 League | 2021/03/06 23:00 | Wollongong Wolves U20 v Manly United U20 | W | 0-2 |
| Australia New South Wales U20 League | 2021/05/01 06:00 | Marconi Stallions U20 v Blacktown City U20 | L | 1-2 |
| Australia New South Wales U20 League | 2021/04/20 09:30 | Bull FC Academy U20 v Marconi Stallions U20 | L | 2-1 |
| 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 | 2021/04/11 04:30 | Apia L Tigers U20 v Marconi Stallions U20 | W | 0-2 |
| Australia New South Wales U20 League | 2021/04/02 03:00 | Marconi Stallions U20 v Wollongong Wolves U20 | L | 1-2 |
| Australia New South Wales U20 League | 2021/03/28 03:00 | Marconi Stallions U20 v Sydney United U20 | W | 3-2 |
| Australia New South Wales U20 League | 2021/03/13 05:00 | Marconi Stallions U20 v Rockdale Ilinden FC U20 | W | 1-0 |
| Australia New South Wales U20 League | 2021/03/06 02:30 | Sutherland Sharks U20 v Marconi Stallions U20 | L | 3-0 |