| U21 EURO 2004 Germany - Appearances as Assistant | ||||
| 28/05/2004 | Germany | - | Switzerland | 2:1 |
| 29/05/2004 | Belarus | - | Croatia | 1:1 |
| 02/06/2004 | Germany | - | Portugal | 1:2 |
| 05/06/2004 | Italy | - | Portugal | 3:1 |
| 08/06/2004 | Serbia | - | Italy | 0:3 |
| U21 EURO 2004 Germany - Appearances as Assistant | ||||
| 28/05/2004 | Germany | - | Switzerland | 2:1 |
| 29/05/2004 | Belarus | - | Croatia | 1:1 |
| 02/06/2004 | Germany | - | Portugal | 1:2 |
| 05/06/2004 | Italy | - | Portugal | 3:1 |
| 08/06/2004 | Serbia | - | Italy | 0:3 |
| Complete name: | Mark Simons |
| Born: | 29/12/1966 |
| Place of birth: |
Belgium |
| Nationality: |
Belgium |