| 2. Round | 19/09/2020 | Blackpool FC | - | Swindon Town | 2:0 | ||||
| 3. Round | 26/09/2020 | Swindon Town | - | Burton Albion | 4:2 |  |
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| 4. Round | 03/10/2020 | Peterborough United | - | Swindon Town | 3:1 |  |
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| 5. Round | 10/10/2020 | Swindon Town | - | AFC Wimbledon | 0:1 | ||||
| 6. Round | 17/10/2020 | Swindon Town | - | Sunderland AFC | 0:2 | ||||
| 7. Round | 20/10/2020 | Northampton Town | - | Swindon Town | 2:1 | ||||
| 9. Round | 17/11/2020 | Swindon Town | - | Accrington Stanley | 0:3 | ||||
| 13. Round | 21/11/2020 | Swindon Town | - | Bristol Rovers | 1:0 | ||||
| 14. Round | 24/11/2020 | Swindon Town | - | Lincoln City | 0:1 | |
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| 8. Round | 28/11/2020 | Oxford United | - | Swindon Town | 1:2 | ||||
| 16. Round | 05/12/2020 | Gillingham FC | - | Swindon Town | 2:0 | ||||
| 17. Round | 12/12/2020 | Swindon Town | - | Fleetwood Town | 0:1 | ||||
| 18. Round | 15/12/2020 | Doncaster Rovers | - | Swindon Town | 2:1 | ||||
| 19. Round | 19/12/2020 | Swindon Town | - | Charlton Athletic | 2:2 | ||||
| 21. Round | 29/12/2020 | Swindon Town | - | Milton Keynes Dons | 1:4 | ||||
| 44. Round | 24/04/2021 | Milton Keynes Dons | - | Swindon Town | 5:0 |
France