Click On The Created Category And Select The Participant Type (Eg. Doubles, Singles, Team).

Click On Team Type And Select The Relevant.

Also If The Event Is Chargeable, Mention The Entry Fees Payable By The Participant.

The Participant Registration Details Can Be Modified To Collect Any Additional Info Other Than The Default Fields - Name, Email, Display Name, Contact Number, Seed Number etc…

Click on Add Field For Any Custom Info Required From Participants (Eg: Division, T-shirt size, Club Name..)

Click On Save First To Save The Details, Then Click On Allow Registrations To Start Registrations.