This is linked with Round Robin within programming - not tournaments.
Step 1: Set up the round-robin events in the Serve Tennis admin pages
Step 2: Download the App to manage your Round Robin
You can do this from the app stores (iOS and Android) and search for USTA programming
Step 3: Once downloaded, login to your app using your USTA username and password.
You will then enter into the schedule view where you can view all of the upcoming sessions you set up in the Match Play module.