| Champions League 2023/2024 - Appearances as Referee |  |
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 |
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| 20/09/2023 | Sevilla FC | - | RC Lens | 1:1 | 8 | - | - |
| 25/10/2023 | Feyenoord | - | Lazio Roma | 3:1 | 12 | - | - |
| 12/12/2023 | PSV Eindhoven | - | Arsenal FC | 1:1 | - | - | - |
| Champions League 2023/2024 - Appearances as Referee | |
|
|
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| 20/09/2023 | Sevilla FC | - | RC Lens | 1:1 | 8 | - | - |
| 25/10/2023 | Feyenoord | - | Lazio Roma | 3:1 | 12 | - | - |
| 12/12/2023 | PSV Eindhoven | - | Arsenal FC | 1:1 | - | - | - |
| 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 |