| 1. Round | 02/09/1912 | Woolwich Arsenal | - | Manchester United | 0:0 | ||||
| 2. Round | 07/09/1912 | Manchester United | - | Manchester City | 0:1 | ||||
| 20. Round | 26/12/1912 | Manchester United | - | Chelsea FC | 4:2 | ||||
| 23. Round | 18/01/1913 | Everton FC | - | Manchester United | 4:1 |  |
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| 24. Round | 25/01/1913 | Manchester United | - | The Wednesday FC | 2:0 | ||||
| 28. Round | 01/03/1913 | Manchester United | - | Middlesbrough FC | 2:3 | ||||
| 31. Round | 21/03/1913 | Manchester United | - | Woolwich Arsenal | 2:0 | ||||
| 32. Round | 22/03/1913 | Manchester United | - | Aston Villa | 4:0 | ||||
| 33. Round | 25/03/1913 | Bradford City | - | Manchester United | 1:0 | ||||
| 34. Round | 29/03/1913 | Liverpool FC | - | Manchester United | 0:2 | ||||
| 27. Round | 31/03/1913 | Tottenham Hotspur | - | Manchester United | 1:1 | ||||
| 35. Round | 05/04/1913 | Manchester United | - | Bolton Wanderers | 2:1 | ||||
| 36. Round | 12/04/1913 | Sheffield United | - | Manchester United | 2:1 | ||||
| 37. Round | 19/04/1913 | Manchester United | - | Newcastle United | 3:0 | ||||
| 38. Round | 26/04/1913 | Oldham Athletic | - | Manchester United | 0:0 |
Northern Ireland
All Ireland