| Super League 2019/2020 Meisterschaft - Appearances as Assistant | ||||
| 21/06/2020 | Olympiakos Piraeus | - | Panathinaikos | 3:0 |
| 08/07/2020 | AEK Athen | - | OFI Heraklion | 2:0 |
| Super League 2019/2020 Meisterschaft - Appearances as Assistant | ||||
| 21/06/2020 | Olympiakos Piraeus | - | Panathinaikos | 3:0 |
| 08/07/2020 | AEK Athen | - | OFI Heraklion | 2:0 |
| Complete name: | Polychronis Kostaras |
| Born: | |
| Place of birth: |
Greece |
| Nationality: |
Greece |