| 1. Round | 12/09/2020 | PEC Zwolle | - | Feyenoord | 0:2 | ||||
| 2. Round | 20/09/2020 | Feyenoord | - | FC Twente | 1:1 | ||||
| 3. Round | 27/09/2020 | Feyenoord | - | ADO Den Haag | 4:2 | ||||
| 4. Round | 04/10/2020 | Willem II | - | Feyenoord | 1:4 | ||||
| 22. Round | 14/02/2021 | Feyenoord | - | Willem II | 5:0 | ||||
| 21. Round | 24/02/2021 | FC Groningen | - | Feyenoord | 0:0 | ||||
| 24. Round | 28/02/2021 | AZ Alkmaar | - | Feyenoord | 4:2 | ||||
| 25. Round | 06/03/2021 | Feyenoord | - | VVV-Venlo | 6:0 | ||||
| 27. Round | 20/03/2021 | Feyenoord | - | FC Emmen | 1:1 | ||||
| 28. Round | 04/04/2021 | Feyenoord | - | Fortuna Sittard | 2:0 | ||||
| 30. Round | 25/04/2021 | Feyenoord | - | Vitesse | 0:0 | ||||
| 31. Round | 02/05/2021 | ADO Den Haag | - | Feyenoord | 3:2 |  |
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| 32. Round | 09/05/2021 | Feyenoord | - | AFC Ajax | 0:3 | ||||
| 33. Round | 13/05/2021 | Heracles Almelo | - | Feyenoord | 1:1 | ||||
| 34. Round | 16/05/2021 | Feyenoord | - | RKC Waalwijk | 3:0 |
Slovakia