| Arab Cup 2021 Qatar - Appearances as Referee |  |
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| 01/12/2021 | Egypt | - | Lebanon | 1:0 | 3 | - | - |
| 06/12/2021 | Tunisia | - | UA Emirates | 1:0 | 4 | - | - |
| 10/12/2021 | Tunisia | - | Oman | 2:1 | 2 | - | - |
| 18/12/2021 | Tunisia | - | Algeria | 0:2 aet | 8 | - | - |
| Arab Cup 2021 Qatar - Appearances as Referee | |
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| 01/12/2021 | Egypt | - | Lebanon | 1:0 | 3 | - | - |
| 06/12/2021 | Tunisia | - | UA Emirates | 1:0 | 4 | - | - |
| 10/12/2021 | Tunisia | - | Oman | 2:1 | 2 | - | - |
| 18/12/2021 | Tunisia | - | Algeria | 0:2 aet | 8 | - | - |
| Complete name: | Daniel Siebert |
| Born: | 04/05/1984 |
| Place of birth: |
Germany |
| Residence: | Berlin |
| Nationality: |
Germany |
| Profession: | Sportwissenschaftler |
| Club: | FC Nordost Berlin |
| Height: | 191 cm |
| Weight: | 81 kg |
| Bundesliga (GER) appearances: | 167 |