| 2. Round | 05/08/2017 | Eintracht Braunschweig | - | 1. FC Heidenheim 1846 | 2:0 | ||||
| 1. Round | 09/08/2017 | 1. FC Heidenheim 1846 | - | Erzgebirge Aue | 2:1 | ||||
| 3. Round | 19/08/2017 | 1. FC Heidenheim 1846 | - | MSV Duisburg | 1:2 | ||||
| 4. Round | 26/08/2017 | FC St. Pauli | - | 1. FC Heidenheim 1846 | 1:0 | ||||
| 5. Round | 08/09/2017 | 1. FC Heidenheim 1846 | - | Jahn Regensburg | 1:3 | ||||
| 10. Round | 15/10/2017 | 1. FC Heidenheim 1846 | - | Holstein Kiel | 3:5 | ||||
| 11. Round | 20/10/2017 | FC Ingolstadt 04 | - | 1. FC Heidenheim 1846 | 3:0 | ||||
| 12. Round | 29/10/2017 | 1. FC Heidenheim 1846 | - | 1. FC Nürnberg | 1:0 | ||||
| 13. Round | 05/11/2017 | Fortuna Düsseldorf | - | 1. FC Heidenheim 1846 | 2:2 |  |
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| 20. Round | 27/01/2018 | MSV Duisburg | - | 1. FC Heidenheim 1846 | 3:3 | ||||
| 26. Round | 09/03/2018 | Dynamo Dresden | - | 1. FC Heidenheim 1846 | 3:2 | ||||
| 33. Round | 06/05/2018 | 1. FC Kaiserslautern | - | 1. FC Heidenheim 1846 | 1:0 | |
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| 34. Round | 13/05/2018 | 1. FC Heidenheim 1846 | - | SpVgg Greuther Fürth | 1:1 |  |
Germany