M-League
LeagueJapan's premier professional team-based mahjong league, broadcast nationally and working to promote mahjong as a legitimate sport.
Asia(Japan)Riichi (Japanese)Founded 2018
Official Website
Visit the official M-League website
Overview
M-League is a professional Japanese (Riichi) mahjong sports league created in 2018, aiming to change the negative gambling stereotype of mahjong and promote it as a positive mind sport. The league features team-based competition with players drafted from multiple professional organizations. Games are broadcast nationally, bringing professional mahjong to mainstream audiences. The 2025-26 season marks the first with ten competing teams.
Key Facts
- Founded in 2018
- 10 teams competing in 2025-26 season
- Season runs September to May
- Players from multiple pro organizations
- All games broadcast on television/streaming
- Uses AMOS professional mahjong tables
What They Do
- Broadcasting professional mahjong matches
- Organizing team-based league competition
- Promoting mahjong as a mainstream sport
- Hosting the annual M.Tournament
Notable Events
M-League Regular Season (216 games)
M-League Semifinals (30 games)
M-League Finals (16 games)
M.Tournament (60 players)