| Champions League 2020/2021 - Appearances as Assistant | ||||
| 20/10/2020 | Stade Rennais | - | FK Krasnodar | 1:1 |
| 01/12/2020 | Atalanta | - | FC Midtjylland | 1:1 |
| Champions League 2020/2021 - Appearances as Assistant | ||||
| 20/10/2020 | Stade Rennais | - | FK Krasnodar | 1:1 |
| 01/12/2020 | Atalanta | - | FC Midtjylland | 1:1 |
| Complete name: | Polychronis Kostaras |
| Born: | |
| Place of birth: |
Greece |
| Nationality: |
Greece |