| Conference League 2024/2025 - Appearances as Assistant | ||||
| 28/11/2024 | 1. FC Heidenheim 1846 | - | Chelsea FC | 0:2 |
| 20/02/2025 | Jagiellonia Białystok | - | TSC Bačka Topola | 3:1 |
| 13/03/2025 | Rapid Wien | - | Borac Banja Luka | 2:1 aet |
| Conference League 2024/2025 - Appearances as Assistant | ||||
| 28/11/2024 | 1. FC Heidenheim 1846 | - | Chelsea FC | 0:2 |
| 20/02/2025 | Jagiellonia Białystok | - | TSC Bačka Topola | 3:1 |
| 13/03/2025 | Rapid Wien | - | Borac Banja Luka | 2:1 aet |
| Complete name: | Johan Balder |
| Born: | 27/12/1982 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |