| 1. Round | 08/08/2022 | Crystal Palace U21 | - | Brighton & Hove Albion U21 | 3:2 |  |
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| 4. Round | 26/08/2022 | Brighton & Hove Albion U21 | - | Arsenal FC U21 | 2:2 | |
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| 5. Round | 03/09/2022 | Leicester City U21 | - | Brighton & Hove Albion U21 | 1:4 | ||||
| 7. Round | 18/09/2022 | Everton FC U21 | - | Brighton & Hove Albion U21 | 1:0 | ||||
| 8. Round | 30/09/2022 | Brighton & Hove Albion U21 | - | Tottenham Hotspur U21 | 4:0 | |
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| 9. Round | 08/10/2022 | Manchester United U21 | - | Brighton & Hove Albion U21 | 3:3 |  |
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| 11. Round | 22/10/2022 | Brighton & Hove Albion U21 | - | West Ham United U21 | 3:2 | ||||
| 12. Round | 30/10/2022 | Brighton & Hove Albion U21 | - | Chelsea FC U21 | 2:2 | ||||
| 13. Round | 06/11/2022 | Blackburn Rovers U21 | - | Brighton & Hove Albion U21 | 1:2 | ||||
| 14. Round | 08/01/2023 | Brighton & Hove Albion U21 | - | Crystal Palace U21 | 2:4 | |
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| 16. Round | 22/01/2023 | Brighton & Hove Albion U21 | - | Everton FC U21 | 1:2 |
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