| Champions League 2013/2014 - Appearances as Referee |  |
 |
 |
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| 01/10/2013 | Zenit St. Petersburg | - | Austria Wien | 0:0 | 6 | - | 1 |
| 06/11/2013 | AFC Ajax | - | Celtic FC | 1:0 | 4 | - | - |
| 11/12/2013 | Atlético Madrid | - | FC Porto | 2:0 | 8 | - | - |
| Champions League 2013/2014 - Appearances as Referee | |
|
|
||||
| 01/10/2013 | Zenit St. Petersburg | - | Austria Wien | 0:0 | 6 | - | 1 |
| 06/11/2013 | AFC Ajax | - | Celtic FC | 1:0 | 4 | - | - |
| 11/12/2013 | Atlético Madrid | - | FC Porto | 2:0 | 8 | - | - |
| 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: | 235 |