| Youth Youth League 2021/2022 - Appearances as Referee |  |
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 |
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| 19/10/2021 | AFC Ajax | - | Borussia Dortmund | 1:5 | 1 | - | - |
| 07/12/2021 | Paris Saint-Germain | - | Club Brugge KV | 3:2 | 6 | - | 1 |
| Youth Youth League 2021/2022 - Appearances as Referee | |
|
|
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| 19/10/2021 | AFC Ajax | - | Borussia Dortmund | 1:5 | 1 | - | - |
| 07/12/2021 | Paris Saint-Germain | - | Club Brugge KV | 3:2 | 6 | - | 1 |
| Complete name: | Kristoffer Karlsson |
| Born: | 04/05/1984 |
| Place of birth: |
Sweden |
| Residence: | Helsingborg |
| Nationality: |
Sweden |