| Champions League Qual. 2020/2021 - Appearances as Referee |  |
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| 18/08/2020 | Celtic FC | - | KR Reykjavík | 6:0 | - | - | - |
| Champions League Qual. 2020/2021 - Appearances as Referee | |
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| 18/08/2020 | Celtic FC | - | KR Reykjavík | 6:0 | - | - | - |
| Complete name: | Sebastian Gishamer |
| Born: | 13/10/1988 |
| Place of birth: |
Austria |
| Nationality: |
Austria |
| Profession: | Bauingenieur |