| Norway Youth Cup | 2018/05/24 17:29 | Valerenga U19 v Oppsal IF U19 | W | 0-1 |
| Norway Interkretsserie U19 | 2017/10/19 18:17 | Oppsal IF U19 v Kongsvinger U19 | L | 1-4 |
| Norway Interkretsserie U19 | 2017/10/05 18:15 | Oppsal IF U19 v Sprint/Jeløy U19 | W | 3-1 |
| Norway Interkretsserie U19 | 2017/09/21 18:18 | Oppsal IF U19 v Lyn 1896 U19 | L | 0-1 |
| Norway Interkretsserie U19 | 2017/09/13 16:30 | Nordstrand U19 v Oppsal IF U19 | L | 3-1 |
| Norway Interkretsserie U19 | 2017/09/13 16:30 | Nordstrand 2 U19 v Oppsal IF U19 | L | 3-1 |
| Norway Interkretsserie U19 | 2017/09/07 18:15 | Oppsal IF U19 v Skeid U19 | W | 4-0 |
| Norway Interkretsserie U19 | 2017/08/24 18:16 | Raufoss U19 v Oppsal IF U19 | W | 3-5 |
| Norway Interkretsserie U19 | 2018/08/10 16:00 | Mjondalen U19 v Floro U19 | W | 3-2 |
| Norway Interkretsserie U19 | 2018/08/04 12:00 | Asane Fotball U19 v Mjondalen U19 | W | 1-2 |
| Norway Interkretsserie U19 | 2018/07/01 11:54 | Stromsgodset U19 v Mjondalen U19 | L | 4-0 |
| Norway Interkretsserie U19 | 2018/06/17 13:56 | Kristiansund BK U19 v Mjondalen U19 | W | 0-6 |
| Norway Interkretsserie U19 | 2018/05/19 11:32 | Ullensaker/Kisa U19 v Mjondalen U19 | W | 0-5 |
| Norway Youth Cup | 2018/05/10 11:01 | Mjondalen U19 v Hercules U19 | W | 15-0 |
| Norway Interkretsserie U19 | 2018/04/14 09:59 | Viking FK U19 v Mjondalen U19 | W | 1-3 |
| Norway Interkretsserie U19 | 2017/10/20 13:00 | Mjondalen U19 v IK Start U19 | L | 0-4 |