On 3 June 2019, Charlton Athletic announced its first confirmed friendly taking place ahead of the 2019/20 season would be against
Dagenham & Redbridge at
The Chigwell Construction Stadium. A day later, two further fixtures against
Welling United and
Ebbsfleet United were added. On 7 June 2019, Charlton Athletic announced it had arranged a fourth friendly that would also act as long-serving
defender Chris Solly's testimonial match against
Aston Villa at
The Valley. It was announced on 10 June that a further friendly had been organised at
Colchester United. A sixth friendly against
Gillingham was organised on 17 June 2019. A final behind-closed-doors friendly against
CS Gaz Metan Mediaș was organised for the club's Spanish training camp. ==Competitions==