| Youth Youth League 2021/2022 - Appearances as Assistant | ||||
| 20/10/2021 | Maccabi Haifa | - | FK Žalgiris | 2:0 |
| 03/11/2021 | RB Leipzig | - | Paris Saint-Germain | 1:4 |
| Youth Youth League 2021/2022 - Appearances as Assistant | ||||
| 20/10/2021 | Maccabi Haifa | - | FK Žalgiris | 2:0 |
| 03/11/2021 | RB Leipzig | - | Paris Saint-Germain | 1:4 |
| Complete name: | Konstantinos Nikolaidis |
| Born: | 00/00/1988 |
| Place of birth: |
Greece |
| Nationality: |
Greece |