Head to Head
| Island - Vorsaison-Pokal | 2021/01/19 19:00 | KR Reykjavík v Fjolnir | L | 3-2 |
| Island - Pokal | 2020/07/30 19:15 | KR Reykjavík v Fjolnir | L | 2-0 |
| Island - 1. Liga | 2020/07/22 20:15 | KR Reykjavík v Fjolnir | D | 2-2 |
| Island - Vorsaison-Pokal | 2020/01/15 21:00 | Fjolnir v KR Reykjavík | L | 1-2 |
| Island - 1. Liga | 2018/08/12 18:00 | KR Reykjavík v Fjolnir | D | 0-0 |
| Island - 1. Liga | 2018/05/21 19:15 | Fjolnir v KR Reykjavík | D | 1-1 |
| Island - 1. Liga | 2017/09/24 14:00 | Fjolnir v KR Reykjavík | D | 2-2 |
| Island - 1. Liga | 2017/07/27 19:15 | KR Reykjavík v Fjolnir | L | 2-0 |
Home History
| Island - League Cup | 2024/02/10 15:00 | Fjolnir v HK Kopavogur | W | 3-0 |
| Island - Vorsaison-Pokal | 2024/02/01 19:30 | IR Reykjavik v Fjolnir | L | 2-0 |
| Island - Vorsaison-Pokal | 2024/01/18 19:30 | Fjolnir v Vikingur Reykjavik | L | 0-4 |
| Island - Vorsaison-Pokal | 2024/01/13 12:00 | Fylkir Reykjavík v Fjolnir | L | 5-0 |
| Island - Vorsaison-Pokal | 2024/01/06 15:00 | Fjolnir v Leiknir Reykjavik | D | 2-2 |
| Island - 1. Deild | 2023/09/24 14:00 | Fjolnir v IF Vestri | D | 1-1 |
| Island - 1. Deild | 2023/09/20 16:30 | IF Vestri v Fjolnir | L | 1-0 |
| Island - 1. Deild | 2023/09/16 14:00 | Fjolnir v Njardvik | W | 4-0 |
Away History
| Island - League Cup | 2024/02/06 19:00 | HK Kopavogur v KR Reykjavík | W | 2-3 |
| Island - Vorsaison-Pokal | 2024/02/01 18:00 | Vikingur Reykjavik v KR Reykjavík | W | 5-6 |
| Island - Vorsaison-Pokal | 2024/01/27 17:00 | Throttur Reykjavik v KR Reykjavík | L | 3-1 |
| Island - Vorsaison-Pokal | 2024/01/17 11:00 | Valur Reykjavik v KR Reykjavík | W | 2-5 |
| Island - Vorsaison-Pokal | 2024/01/12 17:00 | KR Reykjavík v Fram Reykjavik | W | 4-2 |
| Island - Vorsaison-Pokal | 2023/12/09 11:00 | Stjarnan v KR Reykjavík | D | 2-2 |
| Freundschaftsspiele - Europa | 2023/11/24 19:00 | Breidablik v KR Reykjavík | L | 6-1 |
| Island - 1. Liga | 2023/10/07 14:00 | FH Hafnarfjördur v KR Reykjavík | L | 3-1 |