| Aufstiegsrunde 1. Bundesliga 1973/1974 - Appearances as Referee |  |
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 |
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| 12/05/1974 | Wacker 04 Berlin | - | 1. FC Nürnberg | 5:0 | - | - | - |
| 01/06/1974 | 1. FC Nürnberg | - | SG Wattenscheid 09 | 1:0 | - | - | - |
| 08/06/1974 | FC Augsburg | - | Borussia Neunkirchen | 2:1 | - | - | - |
| Complete name: | Walter Horstmann |
| Born: | 28/08/1935 † 21/08/2015 |
| Place of birth: |
Hildesheim, 
Germany |
| Residence: | Groß Escherde |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 144 |
