| Australia New South Wales U20 League | 2018/04/07 07:07 | Marconi Stallions U20 v Sydney Olympic U20 | L | 1-0 |
| Australia New South Wales U20 League | 2018/06/16 04:35 | Hakoah Sydney City East U20 v Sydney Olympic U20 | L | 1-0 |
| Australia New South Wales U20 League | 2018/06/09 07:04 | Manly United U20 v Sydney Olympic U20 | L | 4-0 |
| Australia New South Wales U20 League | 2018/06/03 02:45 | Sydney Olympic U20 v Apia L Tigers U20 | D | 0-0 |
| Australia New South Wales U20 League | 2018/05/26 06:52 | Bonnyrigg White Eagles U20 v Sydney Olympic U20 | L | 3-1 |
| Australia New South Wales U20 League | 2018/05/19 07:34 | Sydney United U20 v Sydney Olympic U20 | L | 3-1 |
| Australia New South Wales U20 League | 2018/05/13 02:45 | Sydney Olympic U20 v Wollongong Wolves U20 | D | 1-1 |
| Australia New South Wales U20 League | 2018/05/05 06:34 | Sutherland Sharks U20 v Sydney Olympic U20 | W | 1-2 |
| Australia New South Wales U20 League | 2018/04/25 06:02 | Apia L Tigers U20 v Sydney Olympic U20 | L | 2-1 |
| 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 | 2018/06/10 03:33 | Apia L Tigers U20 v Marconi Stallions U20 | W | 1-3 |
| Australia New South Wales U20 League | 2018/06/02 06:57 | Marconi Stallions U20 v Bonnyrigg White Eagles U20 | W | 2-1 |
| Australia New South Wales U20 League | 2018/05/26 07:34 | Sydney United U20 v Marconi Stallions U20 | L | 2-0 |
| Australia New South Wales U20 League | 2018/05/20 02:54 | Wollongong Wolves U20 v Marconi Stallions U20 | L | 3-0 |
| Australia New South Wales U20 League | 2018/05/12 07:04 | Marconi Stallions U20 v Sutherland Sharks U20 | L | 0-2 |
| Australia New South Wales U20 League | 2018/05/09 09:04 | Marconi Stallions U20 v Apia L Tigers U20 | W | 3-2 |
| Australia New South Wales U20 League | 2018/04/28 07:05 | Marconi Stallions U20 v Rockdale City Suns U20 | L | 1-2 |