| Champions League 2017/2018 - Appearances as Referee |  |
 |
 |
||||
| 13/09/2017 | NK Maribor | - | Spartak Moskva | 1:1 | 1 | - | - |
| 31/10/2017 | Atlético Madrid | - | Qarabağ FK | 1:1 | 3 | 1 | 1 |
| 22/11/2017 | CSKA Moskva | - | SL Benfica | 2:0 | 5 | - | - |
| Champions League 2017/2018 - Appearances as Referee | |
|
|
||||
| 13/09/2017 | NK Maribor | - | Spartak Moskva | 1:1 | 1 | - | - |
| 31/10/2017 | Atlético Madrid | - | Qarabağ FK | 1:1 | 3 | 1 | 1 |
| 22/11/2017 | CSKA Moskva | - | SL Benfica | 2:0 | 5 | - | - |
| Complete name: | Deniz Aytekin |
| Born: | 21/07/1978 |
| Place of birth: |
Nürnberg, 
Germany |
| Residence: | Oberasbach |
| Nationality: |
Germany |
| Profession: | Betriebswirt |
| Club: | TSV Altenberg |
| Height: | 197 cm |
| Weight: | 84 kg |
| Bundesliga (GER) appearances: | 234 |