| 2. Liga | 17/08/03 | MSV Duisburg | - | Jahn Regensburg | 2:2 | ||||
| 2. Liga | 08/02/04 | MSV Duisburg | - | SpVgg Unterhaching | 0:1 |  |
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| 2. Liga | 03/12/04 | Karlsruher SC | - | MSV Duisburg | 0:3 |
| 2. Liga | 17/08/03 | MSV Duisburg | - | Jahn Regensburg | 2:2 | ||||
| 2. Liga | 08/02/04 | MSV Duisburg | - | SpVgg Unterhaching | 0:1 | |
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| 2. Liga | 03/12/04 | Karlsruher SC | - | MSV Duisburg | 0:3 |
| Robertus Leonardus Adrianus Maas | |
| Born: | 17.12.1969 |
| Place of birth: |
Eindhoven, 
Netherlands |
| Nationality: |
Netherlands
|
| Height: | 181 cm |
| Weight: | 79 kg |
| Position(s): | Defensive Midfielder |
| Foot: | right |