1. Round | 12/09/2020 | Walsall FC | - | Grimsby Town | 1:0 | ||||
2. Round | 19/09/2020 | Grimsby Town | - | Salford City | 0:4 | ||||
5. Round | 10/10/2020 | Bolton Wanderers | - | Grimsby Town | 0:0 | ||||
3. Round | 13/10/2020 | Cheltenham Town | - | Grimsby Town | 1:3 | ||||
6. Round | 17/10/2020 | Leyton Orient | - | Grimsby Town | 2:3 | ||||
7. Round | 20/10/2020 | Grimsby Town | - | Harrogate Town | 1:2 | ||||
13. Round | 21/11/2020 | Tranmere Rovers | - | Grimsby Town | 5:0 | ||||
14. Round | 24/11/2020 | Crawley Town | - | Grimsby Town | 1:2 | ||||
15. Round | 01/12/2020 | Grimsby Town | - | Exeter City | 1:4 | ||||
16. Round | 05/12/2020 | Colchester United | - | Grimsby Town | 2:1 | ||||
12. Round | 08/12/2020 | Grimsby Town | - | Newport County | 0:2 | ||||
17. Round | 12/12/2020 | Grimsby Town | - | Mansfield Town | 1:1 | ||||
18. Round | 15/12/2020 | Southend United | - | Grimsby Town | 3:1 | ||||
19. Round | 19/12/2020 | Grimsby Town | - | Scunthorpe United | 1:0 | ||||
4. Round | 22/12/2020 | Grimsby Town | - | Bradford City | 1:2 | ||||
20. Round | 26/12/2020 | Morecambe FC | - | Grimsby Town | 3:1 | ||||
21. Round | 29/12/2020 | Grimsby Town | - | Oldham Athletic | 0:0 |