| 1. Round | 14/08/2017 | Norwich City U23 | - | Brighton & Hove Albion U23 | 1:2 | ||||
| 2. Round | 21/08/2017 | Brighton & Hove Albion U23 | - | Fulham FC U23 | 4:2 |  |
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| 3. Round | 25/08/2017 | Brighton & Hove Albion U23 | - | Reading FC U23 | 1:2 | ||||
| 4. Round | 11/09/2017 | West Bromwich Albion U23 | - | Brighton & Hove Albion U23 | 5:1 | ||||
| 5. Round | 18/09/2017 | Brighton & Hove Albion U23 | - | Newcastle United U23 | 0:0 | ||||
| 6. Round | 25/09/2017 | Aston Villa U23 | - | Brighton & Hove Albion U23 | 1:0 | ||||
| 11. Round | 27/11/2017 | Brighton & Hove Albion U23 | - | Wolverhampton Wanderers U23 | 1:1 | ||||
| 12. Round | 08/12/2017 | Fulham FC U23 | - | Brighton & Hove Albion U23 | 1:1 | ||||
| 13. Round | 18/12/2017 | Brighton & Hove Albion U23 | - | Norwich City U23 | 1:1 | ||||
| 14. Round | 08/01/2018 | Reading FC U23 | - | Brighton & Hove Albion U23 | 2:1 | |
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| 16. Round | 29/01/2018 | Newcastle United U23 | - | Brighton & Hove Albion U23 | 0:2 |
Northern Ireland