Free bracket builder
Build a tournament bracket in seconds. Single elimination, double elimination, and round robin — seed teams, advance winners, and share a link. No account, right in your browser.
Three formats
The classic knockout — lose once and you're out. Free for up to 8.
A losers bracket gives every team a second life before the grand final.
Everyone plays everyone, ranked by a live standings table with tiebreakers.
How it works
Type or paste a list — one per line or comma-separated. Roundra cleans duplicates and blanks.
Choose single, double, or round robin. Seed in order or shuffle for a random draw.
Tap winners to advance the bracket, add scores, then print or copy a share link.
Learn