The most current BIG3 presale code has just been posted:
For a limited time you can get your very own tickets ahead of their public sale.
If you fail to buy your tickets to BIG3’s concert in Flushing, NY during the presale you might not be able to buy tickets before they are all sold 
BIG3 show info:
BIG3
Arthur Ashe Stadium
Flushing, NY
Sun, Jul 9, 2023 01:00 PM
Onsale to General Public
Starts: Fri, 05/19/202310:00 AM EDT
is finished: Sun, 07/09/202302:00 PM EDT
Presale
Starts: Thu, 05/18/202310:00 AM EDT
Finishes: Thu, 05/18/202310:00 PM EDT
Presale
Begins: Thu, 05/18/202310:00 AM EDT
is finished: Fri, 05/19/202309:59 AM EDT
Members may use these presale passcodes and link to the box office to get tickets:
Presale tickets for BIG3 at Arthur Ashe Stadium in Flushing Jul 9th, 2023