| Úrvalsdeild | 23/05/18 | UMF Stjarnan | - | Fylkir Reykjavík | 3:0 | ||||
| Úrvalsdeild | 26/05/19 | ÍA Akranes | - | UMF Stjarnan | 2:0 | ||||
| Úrvalsdeild | 18/08/19 | UMF Stjarnan | - | ÍA Akranes | 3:1 | ||||
| Úrvalsdeild | 26/07/21 | KR Reykjavík | - | Fylkir Reykjavík | 4:0 |
| Úrvalsdeild | 23/05/18 | UMF Stjarnan | - | Fylkir Reykjavík | 3:0 | ||||
| Úrvalsdeild | 26/05/19 | ÍA Akranes | - | UMF Stjarnan | 2:0 | ||||
| Úrvalsdeild | 18/08/19 | UMF Stjarnan | - | ÍA Akranes | 3:1 | ||||
| Úrvalsdeild | 26/07/21 | KR Reykjavík | - | Fylkir Reykjavík | 4:0 |
| Guðmundur Steinn Hafsteinsson | |
| Born: | 14.06.1989 |
| Place of birth: |
Iceland |
| Nationality: |
Iceland
|
| Height: | 193 cm |
| Weight: | 84 kg |
| Position(s): | Centre Forward |
| Foot: | right |