| Playoffs Eredivisie 2013/2014 Europa League - Appearances as Assistant | ||||
| 10/05/2014 | Vitesse | - | FC Groningen | 1:4 |
| 10/05/2014 | sc Heerenveen | - | AZ Alkmaar | 1:0 |
| Playoffs Eredivisie 2013/2014 Europa League - Appearances as Assistant | ||||
| 10/05/2014 | Vitesse | - | FC Groningen | 1:4 |
| 10/05/2014 | sc Heerenveen | - | AZ Alkmaar | 1:0 |
| Complete name: | Nicky Siebert |
| Born: | 29/12/1969 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |