| U17 World Cup 2017 India - Appearances as Assistant | ||||
| 09/10/2017 | Ghana | - | USA | 0:1 |
| 12/10/2017 | Mali | - | New Zealand | 3:1 |
| U17 World Cup 2017 India - Appearances as Assistant | ||||
| 09/10/2017 | Ghana | - | USA | 0:1 |
| 12/10/2017 | Mali | - | New Zealand | 3:1 |
| Complete name: | Polychronis Kostaras |
| Born: | |
| Place of birth: |
Greece |
| Nationality: |
Greece |