| Europa League 2021/2022 - Appearances as Assistant | ||||
| 20/10/2021 | Spartak Moskva | - | Leicester City | 3:4 |
| 25/11/2021 | Bayer Leverkusen | - | Celtic FC | 3:2 |
| Europa League 2021/2022 - Appearances as Assistant | ||||
| 20/10/2021 | Spartak Moskva | - | Leicester City | 3:4 |
| 25/11/2021 | Bayer Leverkusen | - | Celtic FC | 3:2 |
| Complete name: | Polychronis Kostaras |
| Born: | |
| Place of birth: |
Greece |
| Nationality: |
Greece |