| U19 EURO Qualifiers 2021/2022 - Appearances as Assistant | ||||
| 10/11/2021 | Germany | - | Faroe Islands | 4:1 |
| 13/11/2021 | Germany | - | Russia | 1:3 |
| 16/11/2021 | Faroe Islands | - | Russia | 0:5 |
| U19 EURO Qualifiers 2021/2022 - Appearances as Assistant | ||||
| 10/11/2021 | Germany | - | Faroe Islands | 4:1 |
| 13/11/2021 | Germany | - | Russia | 1:3 |
| 16/11/2021 | Faroe Islands | - | Russia | 0:5 |
| Complete name: | Konstantinos Triantafyllou |
| Born: | |
| Place of birth: |
Greece |
| Nationality: |
Greece |