| Champions League Qual. 2018/2019 - Appearances as Referee |  |
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| 07/08/2018 | Standard Liège | - | AFC Ajax | 2:2 | 3 | - | - |
| Champions League Qual. 2018/2019 - Appearances as Referee | |
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| 07/08/2018 | Standard Liège | - | AFC Ajax | 2:2 | 3 | - | - |
| 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: | 179 |