Stadium: Extra Vollurinn Round: 6
Home Manager: Ulfur Arnar Jokulsson Away Manager: Christopher Brazell
| Iceland 1 Deild | 2022/09/10 14:00 | Fjolnir v Grotta Seltjarnarnes | L | 0-1 |
| Iceland 1 Deild | 2022/07/05 19:15 | Grotta Seltjarnarnes v Fjolnir | L | 4-1 |
| Iceland 1 Deild | 2021/07/15 19:15 | Grotta Seltjarnarnes v Fjolnir | L | 2-1 |
| Iceland 1 Deild | 2021/05/14 19:15 | Fjolnir v Grotta Seltjarnarnes | W | 1-0 |
| Iceland Premier League | 2020/09/14 19:15 | Grotta Seltjarnarnes v Fjolnir | D | 2-2 |
| Iceland Premier League | 2020/07/08 19:15 | Fjolnir v Grotta Seltjarnarnes | L | 0-3 |
| Iceland 1 Deild | 2019/08/16 18:00 | Fjolnir v Grotta Seltjarnarnes | D | 0-0 |
| Iceland 1 Deild | 2019/06/07 19:15 | Grotta Seltjarnarnes v Fjolnir | D | 0-0 |
| Iceland League Cup | 2023/02/18 15:30 | Fjolnir v KA Akureyri | L | 1-2 |
| Iceland League Cup | 2023/02/10 19:45 | Fjolnir v Throttur Reykjavik | W | 4-1 |
| Iceland Pre-Season Cup | 2023/01/26 19:00 | Leiknir Reykjavik v Fjolnir | W | 2-3 |
| Iceland Pre-Season Cup | 2023/01/19 17:00 | Fram Reykjavik v Fjolnir | L | 5-1 |
| Iceland Pre-Season Cup | 2023/01/12 17:30 | Valur Reykjavik v Fjolnir | W | 0-1 |
| Iceland 1 Deild | 2022/09/17 14:00 | Afturelding v Fjolnir | W | 1-5 |
| Iceland 1 Deild | 2022/09/10 14:00 | Fjolnir v Grotta Seltjarnarnes | L | 0-1 |
| Iceland 1 Deild | 2022/09/02 19:15 | HK Kopavogur v Fjolnir | L | 3-1 |
| Iceland League Cup | 2023/02/21 19:15 | Grotta Seltjarnarnes v Stjarnan | D | 3-3 |
| Iceland League Cup | 2023/02/17 19:00 | Njardvik v Grotta Seltjarnarnes | L | 4-0 |
| Iceland League Cup | 2023/02/09 19:00 | Fram Reykjavik v Grotta Seltjarnarnes | D | 1-1 |
| Iceland 1 Deild | 2022/09/17 14:00 | Grotta Seltjarnarnes v Grindavik | W | 3-1 |
| Iceland 1 Deild | 2022/09/10 14:00 | Fjolnir v Grotta Seltjarnarnes | W | 0-1 |
| Iceland 1 Deild | 2022/09/02 20:00 | Grotta Seltjarnarnes v Kordrengir | L | 1-3 |
| Iceland 1 Deild | 2022/08/27 14:00 | Fylkir Reykjavik v Grotta Seltjarnarnes | L | 5-1 |
| Iceland 1 Deild | 2022/08/23 19:15 | Grotta Seltjarnarnes v Thor Akureyri | W | 1-0 |