Sanno Hirotaka

Sanno Hirotaka (三王裕孝 Sannō Hirotaka, born 29 May 1940) is a retired Nihon Ki-in professional Go player who qualified in 1957 and reached 9-dan in 1979.

Sanno toured Europe and the USA teaching Go in 1964. He contributed to the Shusaku commentary book Invincible.

He won his 500th game in 2006 and retired on 29 May 2020.

Pupil of Segoe Kensaku.