| Youth Youth League 2019/2020 - Appearances as Referee |  |
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 |
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| 09/10/2019 | Real Zaragoza | - | Korona Kielce | 1:0 | 2 | - | - |
| 23/10/2019 | KRC Genk | - | Liverpool FC | 0:2 | 3 | - | - |
| Youth Youth League 2019/2020 - Appearances as Referee | |
|
|
||||
| 09/10/2019 | Real Zaragoza | - | Korona Kielce | 1:0 | 2 | - | - |
| 23/10/2019 | KRC Genk | - | Liverpool FC | 0:2 | 3 | - | - |
| Complete name: | Kristoffer Karlsson |
| Born: | 04/05/1984 |
| Place of birth: |
Sweden |
| Residence: | Helsingborg |
| Nationality: |
Sweden |