| Champions League 2017/2018 - Appearances as Referee |  |
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 |
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| 27/09/2017 | Juventus | - | Olympiakos Piraeus | 2:0 | - | - | - |
| 05/12/2017 | AS Roma | - | Qarabağ FK | 1:0 | 5 | - | - |
| Champions League 2017/2018 - Appearances as Referee | |
|
|
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| 27/09/2017 | Juventus | - | Olympiakos Piraeus | 2:0 | - | - | - |
| 05/12/2017 | AS Roma | - | Qarabağ FK | 1:0 | 5 | - | - |
| Complete name: | Tobias Stieler |
| Born: | 02/07/1981 |
| Place of birth: |
Germany |
| Residence: | Hamburg |
| Nationality: |
Germany |
| Profession: | Jurist |
| Club: | SG Rosenhöhe |
| Height: | 184 cm |
| Weight: | 78 kg |
| Bundesliga (GER) appearances: | 178 |