| Playoffs Eredivisie 2014/2015 Relegation - Appearances as Assistant | ||||
| 15/05/2015 | De Graafschap | - | Almere City FC | 2:1 aet |
| 22/05/2015 | FC Volendam | - | FC Eindhoven | 2:1 |
| 28/05/2015 | Roda JC Kerkrade | - | NAC Breda | 0:1 |
| Playoffs Eredivisie 2014/2015 Relegation - Appearances as Assistant | ||||
| 15/05/2015 | De Graafschap | - | Almere City FC | 2:1 aet |
| 22/05/2015 | FC Volendam | - | FC Eindhoven | 2:1 |
| 28/05/2015 | Roda JC Kerkrade | - | NAC Breda | 0:1 |
| Complete name: | Nicky Siebert |
| Born: | 29/12/1969 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |