| 1. Round | 13/08/2018 | Leicester City U23 | - | Swansea City U23 | 1:0 |  |
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| 3. Round | 25/08/2018 | Everton FC U23 | - | Swansea City U23 | 0:0 | ||||
| 4. Round | 02/09/2018 | Swansea City U23 | - | Chelsea FC U23 | 0:1 | ||||
| 5. Round | 15/09/2018 | Liverpool FC U23 | - | Swansea City U23 | 3:0 | ||||
| 6. Round | 22/09/2018 | Swansea City U23 | - | Blackburn Rovers U23 | 1:1 | ||||
| 7. Round | 29/09/2018 | Swansea City U23 | - | Manchester City U23 | 1:4 | |
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| 11. Round | 26/11/2018 | Swansea City U23 | - | Brighton & Hove Albion U23 | 2:3 | ||||
| 13. Round | 17/12/2018 | Swansea City U23 | - | Liverpool FC U23 | 1:1 | ||||
| 14. Round | 07/01/2019 | Derby County U23 | - | Swansea City U23 | 1:5 | ||||
| 16. Round | 04/02/2019 | Swansea City U23 | - | Everton FC U23 | 0:1 | ||||
| 17. Round | 15/02/2019 | Chelsea FC U23 | - | Swansea City U23 | 0:2 | ||||
| 18. Round | 04/03/2019 | Arsenal FC U23 | - | Swansea City U23 | 2:2 | |
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| 19. Round | 11/03/2019 | Swansea City U23 | - | West Ham United U23 | 0:3 | |
England