The Future of 3-on-3 is Now Here!

Tre21™ is the most unique basketball tournament ever created.  Each team consists of three team members plus one alternative, utilizing their skills and abilities in strategies to win a mixture of the ultimate test of basketball games: 3-on-3, 2-on-2, and 1-on-1.  Players must be 19 years of age to participate and proof of age is required at tournament site.  Each team guaranteed 3 games.


The next Tre21™ Competition is at the Stuy Dome:

Saturday, June 22, 2019

There are two Divisions:

  1. High School (18 and Under) - $250.00

  2. Pro Division (19 and Over) - $300.00


  • Registration cut off is Thursday, June 20, 2019

  • Pro Division champions will receive $1,000.00

  • High School champions will receive trophies, awards, and gear

  • Regardless of payment for Tournament(s), no player shall be permitted to participate without a signed Liability Release Form.

  • For High School Division players - Download the form here.

  • For Pro Division Division players - Download the form here.

There are three ways to register and pay: Credit Card, PayPal, or Pay in Person (checks not accepted).

Tre21™ Photo Gallery

Come Visit Us - The Brooklyn Stuy Dome

Brooklyn’s newest all-purpose facility, the Brooklyn Stuy Dome. Conveniently located on the corner of Throop Ave at 312 Kosciuszko Street, the Stuy Dome is accessible from all points in Brooklyn as well as a subway ride from Manhattan or Queens. By Subway J,Z,A,C, Trains bus connection may be necessary. By Bus #15 #43 #52.