Oxford United will start their Carabao Cup campaign with a home tie against Peterborough United.
The draw for Round One took place on Thursday, and United will face the League One side once again, with a home tie set in Oxford.
It will be the fourth time the two teams have faced each other this calendar year, with the most recent meeting being the memorable Sky Bet League One Play-Off Semi-Finals last season.
The fixture will take place during the week beginning August 12, with full fixture details to be confirmed.