| Group F South | 05/09/2023 | Northampton Town | - | Oxford United | 1:3 |  |
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| Group F South | 19/09/2023 | Oxford United | - | Milton Keynes Dons | 0:1 | ||||
| Group F South | 07/11/2023 | Oxford United | - | Chelsea FC U21 | 5:0 | |
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| 2. Round | 05/12/2023 | Forest Green Rovers | - | Oxford United | 0:1 | ||||
| Round of 16 | 09/01/2024 | AFC Wimbledon | - | Oxford United | 2:0 |
Wales