| 1. Round | 12/09/2020 | Arsenal FC [U18] | - | Southampton FC [U18] | 4:2 | ||||
| 2. Round | 19/09/2020 | Tottenham Hotspur [U18] | - | Arsenal FC [U18] | 2:0 | ||||
| 3. Round | 26/09/2020 | Arsenal FC [U18] | - | Crystal Palace [U18] | 3:2 | ||||
| 4. Round | 03/10/2020 | West Ham United [U18] | - | Arsenal FC [U18] | 3:2 | ||||
| 5. Round | 17/10/2020 | Arsenal FC [U18] | - | Brighton & Hove Albion [U18] | 0:5 | ||||
| 6. Round | 24/10/2020 | West Bromwich Albion [U18] | - | Arsenal FC [U18] | 1:3 | ||||
| 15. Round | 23/01/2021 | Arsenal FC [U18] | - | Tottenham Hotspur [U18] | 4:1 | ||||
| 17. Round | 16/02/2021 | Arsenal FC [U18] | - | West Ham United [U18] | 1:0 | ||||
| 18. Round | 20/02/2021 | Brighton & Hove Albion [U18] | - | Arsenal FC [U18] | 3:2 | ||||
| 19. Round | 27/02/2021 | Arsenal FC [U18] | - | West Bromwich Albion [U18] | 0:3 | ||||
| 20. Round | 13/03/2021 | Norwich City [U18] | - | Arsenal FC [U18] | 4:1 |  |
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| 26. Round | 08/05/2021 | Arsenal FC [U18] | - | Aston Villa [U18] | 5:2 |
Poland