RoundsWon docs

RoundsWon runs free tournaments for any game: single and double elimination brackets, round robin, swiss, battle royale lobbies and leaderboards. Free embeddable bracket and leaderboard widgets need no account or API key, and a REST API with webhooks lets your own code run tournaments.

Guides

• How to host a free tournament: Set up a free tournament for any game in a few minutes: pick the game and format, share the join link, start it, score matches and pay the winners.
• Tournament formats explained: Single elimination, double elimination, round robin, swiss, battle royale lobbies and leaderboards: how each tournament format works and when to use it.

Widgets and overlays

• Embed a bracket or leaderboard on any website: Free embeddable tournament widgets: a live bracket, standings table, tournament card or leaderboard on any website with one iframe or one HTML tag. No account or API key needed.
• Free bracket maker: Make a tournament bracket online for free, no sign up: type the names, pick single elimination, double elimination, round robin or swiss, click the winners, and share or embed it.
• Tournament stream overlays for OBS and Streamlabs: Free live tournament overlays for your stream: a stream card with the current match and sponsor, a full screen bracket, and any widget on a transparent background for OBS and Streamlabs.

Developers

• RoundsWon API: The RoundsWon tournament API: create tournaments, add players, start stages and send match results from your own code, a bot or a game server, with API keys and idempotent requests.
• Webhooks: RoundsWon webhooks send every tournament event to your server as it happens: players joining, matches ready, results and finished tournaments, signed and retried for four days.