| Iceland U19 League | 2021/05/04 18:00 | HK/Ymir Kopavogur U19 v Fjolnir/Vaengir U19 | W | 1-3 |
| Iceland U19 League | 2021/07/04 14:00 | Fjolnir/Vaengir U19 v Grotta/Kria U19 | W | 3-1 |
| Iceland U19 League | 2021/06/29 19:00 | Stjarnan/KFG U19 v Fjolnir/Vaengir U19 | L | 3-0 |
| Iceland U19 League | 2021/06/14 18:00 | Fjolnir/Vaengir U19 v Throttur Reykjavik U19 | W | 3-1 |
| Iceland U19 League | 2021/06/07 18:00 | Breidablik/Augnablik U19 v Fjolnir/Vaengir U19 | W | 2-3 |
| Iceland U19 League | 2021/05/24 17:00 | Fjolnir/Vaengir U19 v Thor/THK/Volsungur U19 | W | 4-1 |
| Iceland U19 League | 2021/05/18 18:16 | Fylkir/Ellidi U19 v Fjolnir/Vaengir U19 | W | 1-2 |
| Iceland U19 League | 2021/05/04 18:00 | HK/Ymir Kopavogur U19 v Fjolnir/Vaengir U19 | W | 1-3 |
| Iceland U19 Cup | 2021/03/15 20:35 | Fjolnir/Vaengir U19 v Breidablik/Augnablik U19 | D | 3-3 |
| Iceland U19 League | 2021/07/06 18:30 | FH/IH U19 v HK/Ymir Kopavogur U19 | L | 2-1 |
| Iceland U19 League | 2021/06/27 13:00 | HK/Ymir Kopavogur U19 v Thor/THK/Volsungur U19 | D | 2-2 |
| Iceland U19 League | 2021/06/18 18:00 | HK/Ymir Kopavogur U19 v Breidablik/Augnablik U19 | W | 3-0 |
| Iceland U19 League | 2021/06/14 19:00 | Fylkir/Ellidi U19 v HK/Ymir Kopavogur U19 | L | 4-1 |
| Iceland U19 League | 2021/05/26 18:00 | IA/Kari/Skall/Viko U19 v HK/Ymir Kopavogur U19 | D | 1-1 |
| Iceland U19 League | 2021/05/18 18:00 | HK/Ymir Kopavogur U19 v Stjarnan/KFG U19 | L | 1-2 |
| Iceland U19 League | 2021/05/11 20:00 | Throttur Reykjavik U19 v HK/Ymir Kopavogur U19 | L | 7-4 |
| Iceland U19 League | 2021/05/04 18:00 | HK/Ymir Kopavogur U19 v Fjolnir/Vaengir U19 | L | 1-3 |