Further tickets for the London production of Harry Potter and the Cursed Child are to be released for sale on September 18.
They will apply to performances at the Palace Theatre from April 10 to 28 July 28 next year.
Harry Potter and the Cursed Child is one play presented in two parts and the first official Harry Potter story to be presented on stage.
Ticket prices start at £15 per part and for every performance there are more 300 tickets at £20 or less per part.
Based on an original new story by J.K. Rowling, the production received its world premiere in July 2016 in London and is now also playing at the Lyric Theatre on Broadway, with an Australian production in Melbourne from January 16.
A further North American production will open in San Francisco in autumn 2019.
A German language version of the play will open in Hamburg in spring 2020.