Start a tournament, opening up first round matches for score reporting. The tournament must have at least 2 participants.
POST
https://api.challonge.com/v1/tournaments/{tournament}/start.{json|xml}
| Name | Description | 
|---|---|
| 必須 api_key | Your API key (required unless you're using HTTP basic authentication) | 
| 必須 {tournament} (in URL string) | Tournament ID (e.g. 10230) or URL (e.g. 'single_elim' for challonge.com/single_elim). If assigned to a subdomain, URL format must be :subdomain-:tournament_url(e.g. 'test-mytourney' for test.challonge.com/mytourney) | 
| include_participants | 0 or 1; includes an array of associated participant records | 
| include_matches | 0 or 1; includes an array of associated match records |