| Europa League 2020/2021 - Appearances as Assistant | ||||
| 10/12/2020 | Bayer Leverkusen | - | Slavia Praha | 4:0 |
| 18/02/2021 | Crvena Zvezda | - | AC Milan | 2:2 |
| Europa League 2020/2021 - Appearances as Assistant | ||||
| 10/12/2020 | Bayer Leverkusen | - | Slavia Praha | 4:0 |
| 18/02/2021 | Crvena Zvezda | - | AC Milan | 2:2 |
| Complete name: | Polychronis Kostaras |
| Born: | |
| Place of birth: |
Greece |
| Nationality: |
Greece |