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 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 |
| Iceland 3 Deild | 2020/09/15 17:00 | Aegir Thorlakshofn v Reynir Sandgerdi | W | 2-3 |
| Iceland 3 Deild | 2020/09/12 14:00 | Reynir Sandgerdi v Vaengir Jupiters | W | 5-2 |
Away History
| 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 |
| Iceland 2 Deild | 2020/09/18 18:00 | Haukar v KF Fjallabyggd | W | 1-2 |
| Iceland 2 Deild | 2020/09/13 15:00 | Throttur Vogar v KF Fjallabyggd | L | 4-0 |
| Iceland 2 Deild | 2020/09/09 17:00 | KF Fjallabyggd v Kordrengir | L | 0-1 |
| Iceland 2 Deild | 2020/09/05 14:00 | KF Fjallabyggd v Njardvik | L | 2-4 |