[11] Adelaide United U21 0-3 Adelaide Comets [7] 2020-07-25 05:30
Stadium: Elite Systems Football Centre Round: 19
Head to Head
| Australia South Australia Premier League | 2019/07/27 05:30 | Adelaide Comets v Adelaide United U21 | L | 2-1 |
| Australia South Australia Premier League | 2019/04/27 05:30 | Adelaide United U21 v Adelaide Comets | L | 1-3 |
| Australia South Australia Premier League | 2018/08/11 05:30 | Adelaide Comets v Adelaide United U21 | W | 1-3 |
| Australia South Australia Premier League | 2018/06/19 09:30 | Adelaide Comets v Adelaide United U21 | W | 0-1 |
| Australia South Australia Premier League | 2018/02/25 06:30 | Adelaide United U21 v Adelaide Comets | W | 2-0 |
| Australia South Australia Premier League | 2017/06/03 05:30 | Adelaide United U21 v Adelaide Comets | D | 2-2 |
| Australia South Australia Premier League | 2017/02/24 09:30 | Adelaide Comets v Adelaide United U21 | L | 4-2 |
| Australia South Australia Premier League | 2016/07/22 10:30 | Adelaide Comets v Adelaide United U21 | L | 2-1 |
Home History
| Australia South Australia Premier League | 2020/07/18 05:30 | Para Hills Knights v Adelaide United U21 | L | 3-0 |
| Australia South Australia Premier League | 2020/07/04 05:30 | Cumberland United v Adelaide United U21 | L | 4-3 |
| Australia South Australia Premier League | 2020/06/27 08:30 | Adelaide Olympic v Adelaide United U21 | D | 1-1 |
| Australia South Australia Premier League | 2020/03/08 04:30 | Adelaide United U21 v Modbury Jets | D | 2-2 |
| Australia South Australia Premier League | 2020/02/28 09:45 | Croydon FC v Adelaide United U21 | D | 1-1 |
| Australia South Australia Premier League | 2020/02/22 04:30 | Adelaide United U21 v Adelaide Croatia Raiders | W | 3-0 |
| Australia A-League Youth | 2020/01/24 23:30 | Melbourne Victory U21 v Adelaide United U21 | L | 4-1 |
| Australia A-League Youth | 2020/01/12 00:00 | Adelaide United U21 v Brisbane Roar NPL | W | 3-1 |
Away History
| Australia South Australia Premier League | 2020/07/18 05:30 | Adelaide Comets v Campbelltown City | L | 0-1 |
| Australia South Australia Premier League | 2020/07/11 05:30 | Adelaide Blue Eagles v Adelaide Comets | D | 0-0 |
| Australia South Australia Premier League | 2020/07/03 10:00 | Metrostars v Adelaide Comets | L | 5-4 |
| Australia South Australia Premier League | 2020/03/14 06:30 | Adelaide City v Adelaide Comets | W | 1-2 |
| Australia South Australia Premier League | 2020/03/06 09:45 | Adelaide Comets v Cumberland United | W | 1-0 |
| Australia South Australia Premier League | 2020/02/29 08:30 | Adelaide Olympic v Adelaide Comets | W | 0-1 |
| Australia South Australia Premier League | 2020/02/22 04:30 | Modbury Jets v Adelaide Comets | L | 1-0 |
| Australia Friendlies | 2020/02/14 09:49 | Croydon FC v Adelaide Comets | W | 2-3 |