| 2. Round | 23/08/2017 | Kristianstad FC | - | Halmstads BK | 1:3 | ||||
| Group B | 17/02/2018 | IK Oddevold | - | Halmstads BK | 1:1 | ||||
| Group B | 24/02/2018 | Halmstads BK | - | Syrianska FC | 5:0 | ||||
| Group B | 04/03/2018 | AIK Solna | - | Halmstads BK | 3:1 |  |
| 2. Round | 23/08/2017 | Kristianstad FC | - | Halmstads BK | 1:3 | ||||
| Group B | 17/02/2018 | IK Oddevold | - | Halmstads BK | 1:1 | ||||
| Group B | 24/02/2018 | Halmstads BK | - | Syrianska FC | 5:0 | ||||
| Group B | 04/03/2018 | AIK Solna | - | Halmstads BK | 3:1 | |
| Marcus Klingenberg Mathisen | |
| Born: | 27.02.1996 |
| Place of birth: |
Albertslund, 
Denmark |
| Nationality: |
Denmark
|
| Height: | 185 cm |
| Weight: | 79 kg |
| Position(s): | Centre Back Defensive Midfielder |
| Foot: | right |