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Referees
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Germany
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Lasse Koslowski
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All Matches
Lasse Koslowski
1 total assignments
Season
All seasons
2025/26
2023/24
2021/22
2019/20
Role
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Assistant Referee (28)
Fourth Official (1)
Country
All countries
Europe (1)
Competition
All competitions
Champions League (9)
Europa League (8)
UEFA Europa Conference League (6)
UEFA Youth League (2)
FIFA WC European Qualifiers (2)
UEFA Europa League Play-Off Round (First Legs) (1)
FIFA World Cup qualification (UEFA) (1)
1 match (filtered)
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Europa League
12/08/2021
Celtic FC
vs
FK Jablonec
🚩
Assistant Referee 2
2021/22
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