Uchikawa Kotaro is a mahjong pro with the Japan Professional Mahjong League. He has played in M-League since 2019, joining the EX Furinkazan at the M-League 2025-26 draft. And right after that, he won the 2025 World Riichi Championship.
This week, the 17th week of the M-League 2025-26 regular season, Uchikawa did something quite incredible, breaking records and reaching scores that only half a dozen players have ever gotten.
Let’s get right into it, shall we?
Intro | Standings
M-League Watch 