Tickets for the Addicks' pre-season friendly at Millwall can be purchased from The Den on matchday.
Tickets will be on sale from the North Stand Ticket Office on Tuesday evening, with both cash and card payments accepted.
The club's online allocation of 1,242 has now sold out.
Supporters can watch all of Tuesday's action LIVE on CharltonTV (KO 7.45pm BST). To purchase your live stream match pass or CharltonTV subscription, please click here.