| 2. Bundesliga 1989/1990 - Appearances as Referee |  |
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| 31/03/1990 | 1. FC Saarbrücken | - | Rot-Weiss Essen | 2:3 | 5 | - | - |
| 02/05/1990 | Alemannia Aachen | - | Hertha BSC | 1:1 | 2 | - | - |
| 2. Bundesliga 1989/1990 - Appearances as Referee | |
|
|
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| 31/03/1990 | 1. FC Saarbrücken | - | Rot-Weiss Essen | 2:3 | 5 | - | - |
| 02/05/1990 | Alemannia Aachen | - | Hertha BSC | 1:1 | 2 | - | - |
| Complete name: | Prof. Dr. Wolf-Rüdiger Umbach |
| Born: | 07/08/1945 |
| Place of birth: |
Germany |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 80 |