| 23. Round | 15/01/1921 | Oldham Athletic | - | Bolton Wanderers | 0:0 | ||||
| 24. Round | 22/01/1921 | Bolton Wanderers | - | Oldham Athletic | 1:1 | ||||
| 27. Round | 12/02/1921 | Oldham Athletic | - | Arsenal FC | 1:1 | ||||
| 25. Round | 14/02/1921 | Oldham Athletic | - | Derby County | 2:1 |  |
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| 28. Round | 19/02/1921 | Arsenal FC | - | Oldham Athletic | 2:2 | ||||
| 29. Round | 26/02/1921 | Oldham Athletic | - | Manchester City | 2:0 | ||||
| 30. Round | 05/03/1921 | Manchester City | - | Oldham Athletic | 3:1 | ||||
| 31. Round | 12/03/1921 | Oldham Athletic | - | West Bromwich Albion | 0:3 | ||||
| 42. Round | 07/05/1921 | Oldham Athletic | - | Huddersfield Town | 1:2 |
England