Charlton have been drawn alongside Sutton United and Crawley Town in southern Group B of 2023/24’s EFL Trophy.
The group will be finalised on Thursday lunchtime when the Addicks, Sutton and Crawley are joined by an invited Premier League U21 side.
Fans can watch Thursday’s draw live on Sky Sports. It is due to begin at approximately 11.30am BST.
Group stage matches are due to commence from the first full week of September.
The Premier League U21 team to join southern Group B will be one of the following clubs:
Aston Villa U21
Brighton & Hove Albion U21
Crystal Palace U21
Tottenham Hotspur U21
West Ham United U21