Create your tournament
online in minutes
Create tournaments for your club, association or esports community with knockout brackets, double elimination, groups or league + knockout, manage registrations, schedule matches and track live scores from one platform built for organizers.
Everything you need to create and run a tournament
From club tournaments to association events and esports competitions, Loserbracket covers every stage of your tournament with tools designed for organizers.
Flexible formats
Create leagues, knockout brackets, double-elimination brackets, or combined League + Knockout tournaments with optional repechage rounds fully customizable to your needs.
Sports and esports
Run both traditional sports events and esports tournaments with game selection, dedicated visuals and public pages tailored to each competition.
Real-time live scores
Update scores from the scorer page and watch rankings and brackets refresh instantly for all participants.
Easy team management
Share a public registration link, manage team rosters, upload logos and invite players by email from a single admin panel.
OBS stream overlay
Drop a browser source URL into OBS and get a live-updating score bar over your Twitch or YouTube stream.
Dedicated darts scorer
Built-in 101 / 301 / 501 scorer with a calculator pad, bust detection, undo history and per-throw averages displayed live.
Mobile-first scoring
Score matches from the sidelines on any smartphone. The scorer interface is fully optimized for small screens.
Create a tournament in minutes
Three simple steps to organize a tournament, open registrations and launch your matches.
Create your tournament
Choose a format, set dates and location, configure your scoring rules, and share the registration link with your teams.
Manage teams and draw
Review registrations, seed top teams, and let Loserbracket generate groups and brackets automatically with one click.
Score and broadcast live
Enter scores from any device, watch rankings update in real time, and stream results directly to your audience with the OBS overlay.
Built for every competition structure
Pick the format that fits your sport, game and audience, then switch any time before the draw.
Knockout
Single-elimination bracket
Double Elimination
Winner bracket + loser bracket
Leagues
Group stage round-robin
League + Knockout
Groups then elimination rounds
Why use Loserbracket to organize a tournament?
Loserbracket helps clubs, associations, bars, schools, gaming communities and independent organizers create tournaments online with registrations, scheduling, rankings, livescore and brackets for both sports and esports.
Create a tournament without spreadsheets
No need to split pools, matches and standings across multiple files. Loserbracket centralizes tournament creation, teams, venues, scheduling and scores for clubs, associations and esports organizers in one place.
Organize tournaments with different formats
Knockout, double elimination, group stage, league or mixed format: choose the structure that fits your event, then let the platform generate the draw and track progress automatically.
Share results live
Players, viewers and admins can follow results, livescore, rankings and stream updates from a clean interface on desktop and mobile.
Broadcast-ready score overlay
Add a browser source to OBS and your score bar updates automatically: team names, scores, timer and match status, live on stream.