| U19 EURO Qualifiers 2021/2022 - Appearances as Assistant | ||||
| 10/11/2021 | Switzerland | - | Sweden | 1:2 |
| 13/11/2021 | England | - | Switzerland | 0:0 |
| 16/11/2021 | Sweden | - | England | 0:2 |
| U19 EURO Qualifiers 2021/2022 - Appearances as Assistant | ||||
| 10/11/2021 | Switzerland | - | Sweden | 1:2 |
| 13/11/2021 | England | - | Switzerland | 0:0 |
| 16/11/2021 | Sweden | - | England | 0:2 |
| Complete name: | Konstantinos Nikolaidis |
| Born: | 00/00/1988 |
| Place of birth: |
Greece |
| Nationality: |
Greece |