| 3. Round | 19/08/1973 | 1. FC Mülheim | - | Borussia Dortmund | 1:2 | ||||
| 4. Round | 26/08/1973 | Rot-Weiß Oberhausen | - | 1. FC Mülheim | 2:1 | ||||
| 5. Round | 02/09/1973 | 1. FC Mülheim | - | Westfalia Herne | 5:1 | ||||
| 10. Round | 07/10/1973 | DJK Gütersloh | - | 1. FC Mülheim | 4:0 | ||||
| 13. Round | 28/10/1973 | SpVgg Erkenschwick | - | 1. FC Mülheim | 1:0 | ||||
| 14. Round | 03/11/1973 | 1. FC Mülheim | - | SC Union Ohligs | 1:0 | ||||
| 15. Round | 10/11/1973 | SC Viktoria 04 Köln | - | 1. FC Mülheim | 2:2 | ||||
| 16. Round | 17/11/1973 | 1. FC Mülheim | - | Preußen Münster | 3:0 | ||||
| 17. Round | 08/12/1973 | SG Wattenscheid 09 | - | 1. FC Mülheim | 3:1 | ||||
| 20. Round | 19/01/1974 | Borussia Dortmund | - | 1. FC Mülheim | 3:0 | ||||
| 21. Round | 26/01/1974 | 1. FC Mülheim | - | Rot-Weiß Oberhausen | 3:0 |
Germany