Head to Head
| Finland U20 League | 2020/09/06 10:00 | Atlantis U20 v HJK Helsinki U20 | W | 2-3 |
| Finland U20 League | 2020/03/08 18:15 | Atlantis U20 v HJK Helsinki U20 | W | 1-3 |
| Finland U20 League | 2019/08/31 12:00 | HJK Helsinki U20 v Atlantis U20 | L | 1-3 |
| Finland U20 League | 2019/05/26 11:00 | Atlantis U20 v HJK Helsinki U20 | L | 4-1 |
| Finland U20 League | 2019/02/23 15:30 | HJK Helsinki U20 v Atlantis U20 | D | 1-1 |
Home History
| Finland U20 League | 2021/09/08 17:00 | GrIFK U20 v HJK Helsinki U20 | W | 1-4 |
| Finland U20 League | 2021/09/05 12:30 | KuPS Kuopio U20 v HJK Helsinki U20 | W | 0-3 |
| Finland U20 League | 2021/08/29 14:00 | HJK Helsinki U20 v PPJ U20 | L | 1-2 |
| Finland U20 League | 2021/08/21 16:00 | IF Gnistan U20 v HJK Helsinki U20 | W | 2-3 |
| Finland U20 League | 2021/08/15 11:00 | HJK Helsinki U20 v PK-35 Vantaa U20 | W | 5-2 |
| Finland U20 League | 2021/08/03 15:00 | HJK Helsinki U20 v Inter Turku U20 | W | 4-1 |
| Finland U20 League | 2021/07/03 10:00 | HJK Helsinki U20 v Ilves U20 | L | 0-1 |
| Finland U20 League | 2021/06/13 11:00 | HJK Helsinki U20 v VJS Vantaa U20 | W | 5-1 |
Away History
| Finland U20 League | 2021/09/05 10:30 | Atlantis U20 v FC Honka U20 | W | 4-0 |
| Finland U20 League | 2021/08/28 12:00 | KaPa U20 v Atlantis U20 | W | 1-3 |
| Finland U20 League | 2021/08/22 10:30 | Atlantis U20 v TPV U20 | W | 6-0 |
| Finland U20 League | 2021/08/14 11:30 | TPS U20 v Atlantis U20 | W | 1-2 |
| Finland U20 League | 2021/08/08 11:00 | Atlantis U20 v HJS U20 | D | 2-2 |
| Finland U20 League | 2021/08/02 16:00 | KaaPo U20 v Atlantis U20 | W | 0-4 |
| Finland U20 League | 2021/07/11 10:30 | Atlantis U20 v FC Lahti U20 | D | 2-2 |
| Finland U20 League | 2021/07/03 12:00 | Atlantis U20 v KuPS Kuopio U20 | L | 1-3 |