All Japan Female Amateur Championship
All Japan Female Amateur Championship (全日本女流アマチュア囲碁選手権大会) is the only Go tournament in Japan open to all female amateur players from any prefecture. It is sponsored by the Nihon Ki-in. Many participants eventually became professional players. The Japanese Wikipedia includes a complete list of all professionals who attended the tournament before turning professional.
Note that the 2020 tournament was cancelled due to COVID-19.
|1970-1971 and 1975||Kanai Kazuko|
|1977-1978, 1980, 1985 and 1987||Kamekura Yoshiko|
|1990-1991 and 1993-1995||Sato Akiko|
|2002 and 2013||Osawa Maya (I) (Narumi's sister. The Osawa sisters are the first sisters to win at here)|
|2003||Mukai Kaori (Mukai Chiaki's sister, currently known as Mimura Kaori)|
|2004||Shimosaka Miori (W)|
|2005 and 2007||Ishii Akane (currently known as Tatsumi Akane at Kansai Ki-in)|
|2008||Oda Ayako (I)|
|2014-2015||Fujiwara Akiko (I) (W)*|
|2016||Oshima Reina (I)|
- Players marked * have also won the Female Student Honinbo.
- (W) = Waseda University Go Club alumni
- (I) = ex-Insei player
Other participants who later turned pro
|Chinen Kaori||Top 16 players in 1988 and 1989|
|Kobayashi Izumi||Top 32 players in 1989|
|Umezawa Yukari||3rd place in 1995|
|Fujisawa Rina||4th place in 2009|
|Deguchi Mariko||Runner Up in 2010|
|Nyu Eiko||3rd place in 2013|