M.LEAGUE x World Riichi U.S. Tour sets viewership records and seals global alliance

The first multi-city professional mahjong tour in the United States wrapped this week with sold-out events, strong livestream numbers and a new five-party global alliance for World Riichi. The tour also launched World Riichi Publishing and set the stage for the 2028 World Riichi Championship in New York City.

Why it matters: - The U.S. tour marked a major push to grow professional riichi mahjong outside Japan. - The events drew sold-out crowds, a large international livestream audience and new cross-border partnerships. - The tour also formalized a global structure that gives World Riichi Professional Mahjong members access to tournaments and leagues run by major Japanese organizations.

What happened: - The first multi-city professional mahjong tour in the United States concluded this week. - The M.LEAGUE x World Riichi 2026 U.S. Tour brought 11 Japanese professionals to American fans. - The tour included stops and events in Las Vegas and New York City. - The Las Vegas tournament hosted more than 100 competitors. - North American player Yuhao L. won the championship, edging M.LEAGUER Sayaka Okada in the final table. - WRPM member Erik Karhan finished fourth. - WRPM competitors Tianshen He, Jimmy Lai, Arthur McAnally and Tamas Erdos placed in the top 25. - The tournament streamed live on YouTube and reached about 40,000 viewers per day. - Yusong Liu provided English-language commentary. - Sayaka Miyatani and JPML pro Jenn Barr served as live MCs. - Barr also offered commentary on streamed games, while Miyatani handled ceremony duties and post-game interviews.

The details: - Dave Bresnick, president of USPML, said the tour had been a year in the making and called it an important step in the relationship with M.LEAGUE and Japanese partner organizations. - The tour ran on Alban Slim Score Voice automated tables. - The tables are used in the Japan Professional Mahjong League studio in Tokyo. - The tournament completed without a single table malfunction. - Six of the tables were awarded to top performers and raffle winners. - The New York City exhibition matches featured Japan’s top professionals against WRPM talent. - Redragon sponsored the exhibition matches. - Redragon also supplied headsets for the live commentary team and gave Artemis Pro keyboard and KING ULTRA mouse sets to raffle winners. - HyperX Arena in Las Vegas hosted the main tournament, the live stream production and the sold-out after-hours fan meeting. - Bluebird Studio in Las Vegas hosted North America’s first M.LEAGUE press conference. - Sparrow's Nest Studio in Manhattan hosted the after-hours fan meeting and the Eastside Showdown. - The exclusive 50-person events sold out within days. - M.LEAGUE supported a pop-up shop where fans could buy merchandise normally sold only in Japan. - M.LEAGUE also provided two limited-edition trading cards featuring the six participating M.LEAGUERS. - The tour featured Shigekazu Moriyama, Yoshihiro Matsumoto, Kotaro Uchikawa, Megumu Aikawa, Sayaka Okada, Mari Takamiya, Sho Shiratori, Hiroshi Yamai, Yuumi Uotani and Ryoei Hirano. - Kotaro Uchikawa is the reigning world champion. - Sho Shiratori is the reigning Hououi. - Hiroshi Yamai is the 2014 world champion.

Between the lines: - The tour was not just a competition series. It was a platform for business, publishing and organizational expansion. - The livestream numbers and sold-out side events suggest strong U.S. demand for professional riichi mahjong content. - The press release frames the alliance and publishing launch as infrastructure for a wider international ecosystem, not just a one-off tour. - Nobuyuki Hata, secretary general of M.LEAGUE, said the turnout in Las Vegas and New York exceeded expectations and that M.LEAGUE will support the 2028 World Riichi Championship in New York City. - The release describes the 2028 championship as a major step toward the largest and most prestigious riichi mahjong event yet.

What's next: - World Riichi Publishing will release digital editions of Riichi Mahjong: Balance Your Game by Yoshihiro Matsumoto and Riichi Mahjong: The Essential Playbook by Kotaro Uchikawa later this month. - More translated strategy books are already in development. - World Riichi said future international tours and tournaments are also coming. - Fans can follow ongoing coverage on the official World Riichi YouTube channel, including English broadcasts of the Sankei Shimbun Cup, the Saikyosen Team Battle and WRL events worldwide. - The 2028 World Riichi Championship is scheduled for New York City.

The bottom line: - The U.S. tour turned riichi mahjong into a broader international property, with bigger audiences, formalized Japanese partnerships and a clear runway to 2028.