| Europa League 2017/2018 - Appearances as Assistant | ||||
| 14/09/2017 | Hertha BSC | - | Athletic Bilbao | 0:0 |
| 22/02/2018 | Arsenal FC | - | Östersunds FK | 1:2 |
| Europa League 2017/2018 - Appearances as Assistant | ||||
| 14/09/2017 | Hertha BSC | - | Athletic Bilbao | 0:0 |
| 22/02/2018 | Arsenal FC | - | Östersunds FK | 1:2 |
| Complete name: | Martin Balko |
| Born: | 08/03/1972 |
| Place of birth: |
Slovakia |
| Nationality: |
Slovakia |
| Height: | 183 cm |
| Weight: | 80 kg |