| 1. Round | 12/09/2020 | Tottenham Hotspur U23 | - | Brighton & Hove Albion U23 | 1:1 | ||||
| 2. Round | 18/09/2020 | Brighton & Hove Albion U23 | - | Arsenal FC U23 | 2:2 | ||||
| 3. Round | 25/09/2020 | Brighton & Hove Albion U23 | - | Chelsea FC U23 | 2:0 | ||||
| 4. Round | 03/10/2020 | West Ham United U23 | - | Brighton & Hove Albion U23 | 2:3 | ||||
| 11. Round | 14/12/2020 | Derby County U23 | - | Brighton & Hove Albion U23 | 1:1 | ||||
| 12. Round | 18/12/2020 | Brighton & Hove Albion U23 | - | Everton FC U23 | 2:2 | ||||
| 17. Round | 05/02/2021 | Brighton & Hove Albion U23 | - | West Ham United U23 | 6:1 | ||||
| 19. Round | 22/02/2021 | Leicester City U23 | - | Brighton & Hove Albion U23 | 1:1 | ||||
| 20. Round | 26/02/2021 | Brighton & Hove Albion U23 | - | Manchester City U23 | 1:3 | ||||
| 16. Round | 07/03/2021 | Chelsea FC U23 | - | Brighton & Hove Albion U23 | 0:0 | ||||
| 21. Round | 12/03/2021 | Manchester United U23 | - | Brighton & Hove Albion U23 | 0:0 | ||||
| 22. Round | 19/03/2021 | Blackburn Rovers U23 | - | Brighton & Hove Albion U23 | 1:1 |  |
Northern Ireland