| Europa League Qual. 2018/2019 - Appearances as Referee |  |
 |
 |
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| 26/07/2018 | The New Saints | - | Lincoln Red Imps | 2:1 | 2 | - | - |
| 09/08/2018 | FK Spartaks | - | FK Sūduva | 0:1 | 3 | - | - |
| Europa League Qual. 2018/2019 - Appearances as Referee | |
|
|
||||
| 26/07/2018 | The New Saints | - | Lincoln Red Imps | 2:1 | 2 | - | - |
| 09/08/2018 | FK Spartaks | - | FK Sūduva | 0:1 | 3 | - | - |
| Complete name: | Þorvaldur Árnason |
| Born: | 03/03/1982 |
| Place of birth: |
Iceland |
| Nationality: |
Iceland |