| Europa League 2019/2020 - Appearances as Assistant | ||||
| 27/02/2020 | AFC Ajax | - | Getafe CF | 2:1 |
| 05/08/2020 | Manchester United | - | LASK | 2:1 |
| Europa League 2019/2020 - Appearances as Assistant | ||||
| 27/02/2020 | AFC Ajax | - | Getafe CF | 2:1 |
| 05/08/2020 | Manchester United | - | LASK | 2:1 |
| Complete name: | Polychronis Kostaras |
| Born: | |
| Place of birth: |
Greece |
| Nationality: |
Greece |