| Australien - NSW Premier League 2 - U20 | 2021/04/07 08:00 | Blacktown Spartans Sub20 v Central Coast Mariners U20 | D | 0-0 |
| Australien - NSW Premier League 2 - U20 | 2021/04/10 07:00 | Hills United FC Sub20 v Central Coast Mariners U20 | L | 3-2 |
| Australien - NSW Premier League 2 - U20 | 2021/04/07 08:00 | Blacktown Spartans Sub20 v Central Coast Mariners U20 | D | 0-0 |
| Australien - NSW Premier League 2 - U20 | 2021/05/29 06:45 | St George City FA Sub20 v Blacktown Spartans Sub20 | D | 0-0 |
| Australien - NSW Premier League 2 - U20 | 2021/05/22 07:00 | Mounties Wanderers Sub20 v Blacktown Spartans Sub20 | W | 1-3 |
| Australien - NSW Premier League 2 - U20 | 2021/05/15 07:27 | Blacktown Spartans Sub20 v SD Raiders Sub20 | D | 1-1 |
| Australien - NSW Premier League 2 - U20 | 2021/05/01 07:46 | Blacktown Spartans Sub20 v Hills United FC Sub20 | L | 1-2 |
| Australien - NSW Premier League 2 - U20 | 2021/04/24 07:00 | St George Saints Sub20 v Blacktown Spartans Sub20 | D | 1-1 |
| Australien - NSW Premier League 2 - U20 | 2021/04/17 07:00 | Blacktown Spartans Sub20 v Hakoah Sydney City East Sub20 | W | 2-0 |
| Australien - NSW Premier League 2 - U20 | 2021/04/10 07:40 | NWS Spirit FC Sub20 v Blacktown Spartans Sub20 | W | 0-1 |
| Australien - NSW Premier League 2 - U20 | 2021/04/07 08:00 | Blacktown Spartans Sub20 v Central Coast Mariners U20 | D | 0-0 |