Town will be paired with one of Charlton Athletic, Portsmouth, Cheltenham or Peterborough United in Friday evening’s draw for the Papa Johns Trophy round of 32.
As winners of their first-round group, the Blues will be at home in the next stage against a runner-up from one of the other groups.
The clubs have been split into pots ahead of the draw with the Blues ball number eight in Pot B for southern clubs.
The ties will be drawn live on Sky Sports following the Championship match between Birmingham City and Sunderland.
Papa Johns Trophy round of 32 fixtures will take place in the week commencing 21st November.
Southern Section Draw B Winners Pot
5. Plymouth Argyle
6. Forest Green Rovers
7. Chelsea U21
8. Ipswich Town
Southern Section Draw B Runner-up Pot
9. Charlton Athletic
10. Portsmouth
11. Cheltenham Town
12. Peterborough United