| Australia - Victoria - Liga sub-21 | 2021/05/01 07:00 | Dandenong Thunder SC sub-21 v Heidelberg Utd sub-21 | L | 3-0 |
| Australia - Amistosos | 2021/01/29 07:30 | Dandenong Thunder SC sub-21 v Heidelberg Utd sub-21 | L | 5-2 |
| Australia - Victoria - Liga sub-21 | 2021/07/11 03:00 | Heidelberg Utd sub-21 v Bentleigh Greens sub-21 | L | 1-2 |
| Australia - Victoria - Liga sub-21 | 2021/07/04 03:00 | Heidelberg Utd sub-21 v Melbourne Knights sub-21 | L | 1-3 |
| Australia - Victoria - Liga sub-21 | 2021/06/25 08:30 | Dandenong City SC sub-21 v Heidelberg Utd sub-21 | L | 2-1 |
| Australia - Victoria - Liga sub-21 | 2021/06/20 03:00 | Heidelberg Utd sub-21 v Green Gully sub-21 | L | 2-3 |
| Australia - Victoria - Liga sub-21 | 2021/05/23 03:00 | Heidelberg Utd sub-21 v Avondale sub-21 | L | 0-1 |
| Australia - Victoria - Liga sub-21 | 2021/05/15 09:45 | Hume City sub-21 v Heidelberg Utd sub-21 | D | 0-0 |
| Australia - Victoria - Liga sub-21 | 2021/05/09 03:00 | Heidelberg Utd sub-21 v St Albans Saints sub-21 | D | 2-2 |
| Australia - Victoria - Liga sub-21 | 2021/05/01 07:00 | Dandenong Thunder SC sub-21 v Heidelberg Utd sub-21 | L | 3-0 |
| Australia - Victoria - Liga sub-21 | 2021/07/11 02:30 | St Albans Saints sub-21 v Dandenong Thunder SC sub-21 | L | 2-1 |
| Australia - Victoria - Liga sub-21 | 2021/07/03 07:00 | Dandenong Thunder SC sub-21 v South Melbourne sub-21 | W | 4-2 |
| Australia - Victoria - Liga sub-21 | 2021/06/26 05:00 | Port Melbourne sub-21 v Dandenong Thunder SC sub-21 | D | 1-1 |
| Australia - Victoria - Liga sub-21 | 2021/06/19 07:00 | Dandenong Thunder SC sub-21 v Eastern Lions sub-21 | L | 0-4 |
| Australia - Victoria - Liga sub-21 | 2021/05/22 05:00 | Green Gully sub-21 v Dandenong Thunder SC sub-21 | L | 1-0 |
| Australia - Victoria - Liga sub-21 | 2021/05/15 07:00 | Dandenong Thunder SC sub-21 v Altona Magic sub-21 | D | 1-1 |
| Australia - Victoria - Liga sub-21 | 2021/05/07 10:15 | Oakleigh Cannons sub-21 v Dandenong Thunder SC sub-21 | W | 1-2 |
| Australia - Victoria - Liga sub-21 | 2021/05/01 07:00 | Dandenong Thunder SC sub-21 v Heidelberg Utd sub-21 | W | 3-0 |