Head to Head
| Iceland Cup | 2020/07/30 19:15 | KR Reykjavik v Fjolnir | W | 2-0 |
| Iceland Premier League | 2020/07/22 20:15 | KR Reykjavik v Fjolnir | D | 2-2 |
| Iceland Pre-Season Cup | 2020/01/15 21:00 | Fjolnir v KR Reykjavik | W | 1-2 |
| Iceland Premier League | 2018/08/12 18:00 | KR Reykjavik v Fjolnir | D | 0-0 |
| Iceland Premier League | 2018/05/21 19:15 | Fjolnir v KR Reykjavik | D | 1-1 |
| Iceland Premier League | 2017/09/24 14:00 | Fjolnir v KR Reykjavik | D | 2-2 |
| Iceland Premier League | 2017/07/27 19:15 | KR Reykjavik v Fjolnir | W | 2-0 |
| Iceland League Cup | 2017/02/24 19:00 | KR Reykjavik v Fjolnir | W | 3-1 |
Home History
| Iceland Premier League | 2020/10/04 17:00 | HK Kopavogur v KR Reykjavik | D | 1-1 |
| Iceland Premier League | 2020/10/01 19:15 | Vikingur Reykjavik v KR Reykjavik | W | 0-2 |
| Iceland Premier League | 2020/09/27 14:00 | KR Reykjavik v Fylkir Reykjavik | L | 1-2 |
| Iceland Premier League | 2020/09/24 16:15 | KR Reykjavik v Grotta Seltjarnarnes | D | 1-1 |
| Iceland Premier League | 2020/09/21 19:15 | Breidablik v KR Reykjavik | W | 0-2 |
| UEFA Europa League Qualifying | 2020/09/17 16:30 | FC Flora Tallinn v KR Reykjavik | L | 2-1 |
| Iceland Premier League | 2020/09/13 14:00 | KR Reykjavik v Stjarnan | L | 1-2 |
| Iceland Cup | 2020/09/10 19:15 | Breidablik v KR Reykjavik | W | 2-4 |
Away History
| Iceland Premier League | 2020/10/04 17:00 | Stjarnan v Fjolnir | L | 1-0 |
| Iceland Premier League | 2020/09/27 14:00 | FH Hafnarfjordur v Fjolnir | L | 1-0 |
| Iceland Premier League | 2020/09/24 16:15 | Fjolnir v IA Akranes | L | 1-3 |
| Iceland Premier League | 2020/09/19 14:00 | Fjolnir v KA Akureyri | D | 1-1 |
| Iceland Premier League | 2020/09/14 19:15 | Grotta Seltjarnarnes v Fjolnir | D | 2-2 |
| Iceland Premier League | 2020/09/05 13:00 | Fjolnir v Breidablik | L | 1-4 |
| Iceland Premier League | 2020/08/25 19:15 | Fylkir Reykjavik v Fjolnir | L | 2-0 |
| Iceland Premier League | 2020/08/20 18:00 | Fjolnir v Vikingur Reykjavik | D | 1-1 |