Head to Head
| Iceland 3 Deild | 2019/09/14 14:00 | KF Fjallabyggd v Reynir Sandgerdi | L | 4-1 |
| Iceland 3 Deild | 2019/07/06 16:00 | Reynir Sandgerdi v KF Fjallabyggd | L | 1-5 |
Home History
| Iceland 2 Deild | 2021/05/07 19:15 | Haukar v Reynir Sandgerdi | W | 0-2 |
| Iceland Cup | 2021/04/25 14:00 | IBV Vestmannaeyjar v Reynir Sandgerdi | L | 4-1 |
| Iceland League Cup | 2021/02/26 20:00 | KFG Gardabaer v Reynir Sandgerdi | W | 0-5 |
| Iceland League Cup | 2021/02/19 18:30 | Haukar v Reynir Sandgerdi | D | 2-2 |
| Iceland 3 Deild | 2020/10/03 13:00 | Sindri v Reynir Sandgerdi | L | 5-1 |
| Iceland 3 Deild | 2020/09/30 16:00 | Reynir Sandgerdi v Alftanes | W | 3-1 |
| Iceland 3 Deild | 2020/09/26 14:00 | KFG Gardabaer v Reynir Sandgerdi | W | 1-4 |
| Iceland 3 Deild | 2020/09/18 16:30 | Reynir Sandgerdi v Tindastoll | D | 5-5 |
Away History
| Iceland 2 Deild | 2021/05/08 14:00 | Kari v KF Fjallabyggd | W | 2-3 |
| Iceland Cup | 2021/05/01 14:00 | Dalvik/Reynir v KF Fjallabyggd | W | 2-3 |
| Iceland League Cup B | 2021/03/21 18:16 | KF Fjallabyggd v Magni Grenivik | W | 4-0 |
| Iceland League Cup B | 2021/03/14 17:00 | KF Fjallabyggd v IH Hafnarfjordur | W | 8-0 |
| Iceland League Cup | 2021/02/20 16:00 | Augnablik Kopavogur v KF Fjallabyggd | L | 1-0 |
| Iceland 2 Deild | 2020/10/03 14:00 | KF Fjallabyggd v Throttur Vogar | D | 1-1 |
| Iceland 2 Deild | 2020/09/27 15:00 | UMF Selfoss v KF Fjallabyggd | L | 3-2 |
| Iceland 2 Deild | 2020/09/23 16:00 | KF Fjallabyggd v Volsungur | L | 1-2 |