| 1. Round | 21/08/2021 | King's Lynn | - | Southend United | 0:1 | ||||
| 2. Round | 28/08/2021 | Yeovil Town | - | King's Lynn | 1:2 | ||||
| 4. Round | 04/09/2021 | Eastleigh FC | - | King's Lynn | 3:3 | ||||
| 5. Round | 11/09/2021 | King's Lynn | - | Dagenham & Redbridge | 1:2 | ||||
| 8. Round | 25/09/2021 | King's Lynn | - | Wealdstone FC | 0:1 | ||||
| 6. Round | 28/09/2021 | Altrincham FC | - | King's Lynn | 4:1 | ||||
| 9. Round | 02/10/2021 | Maidenhead United | - | King's Lynn | 2:3 | ||||
| 10. Round | 05/10/2021 | King's Lynn | - | Barnet FC | 1:1 |  |
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| 11. Round | 09/10/2021 | King's Lynn | - | Solihull Moors | 0:1 |
England