Masao Sugiuchi

was a 9-dan professional Go player. He reached to 800 career wins, and he was the oldest professional player in Japan from 2004 to 2017.
Family
His wife is Kazuko Sugiuchi, a professional player who won several female titles. His sisters in law (Sachiko Honda and Teruko Kusunoki) are also professional players.

References

Notable results
Title  Notes  Honinbo (本因坊) Challenged to the defending champion in 1954 and 1958  Tengen (天元, Center) Challenged to the defending champion in 1976  NHK Cup Finalist in 1982

Other websites
Masao Sugiuchi's page at Nihon Ki-in website

Category:1920 births
Category:2017 deaths
Category:Japanese Go players