| Youth Bundesliga West 2011/2012 - Appearances as Assistant | ||||
| 06/11/2011 | VfL Bochum | - | Fortuna Düsseldorf | 3:2 |
| 01/04/2012 | Rot-Weiß Oberhausen | - | Bor. Mönchengladbach | 0:2 |
| Youth Bundesliga West 2011/2012 - Appearances as Assistant | ||||
| 06/11/2011 | VfL Bochum | - | Fortuna Düsseldorf | 3:2 |
| 01/04/2012 | Rot-Weiß Oberhausen | - | Bor. Mönchengladbach | 0:2 |
| Complete name: | Ralf Iwanowski |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |
| Club: | SC Borgfeld |