The first two years the title was earned by winning an (8-player) League, not by beating a challenger. In editions #3-20, the challenger was the winner of a 16-player knockout tournament. Since the 21st edition, the challenger is the winner of a 7-player league. For this main tournament or league, see the subpages linked to in the first column.
Komi was 5.5 until 2003, and 6.5 from 2004.
| # | Year | Winner | Challenger | Score | SGF |
|---|---|---|---|---|---|
| 1 | 1989 | Miyazaki Shimako | |||
| 2 | 1990 | Aoki Kikuyo | |||
| 3 | 1991 | Sugiuchi Kazuko | Aoki Kikuyo | 2-1 | 1 2 3 |
| 4 | 1992 | Sugiuchi Kazuko | Aoki Kikuyo | 2-0 | 1 2 |
| 5 | 1993 | Sugiuchi Kazuko | Aoki Kikuyo | 2-0 | 1 2 |
| 6 | 1994 | Sugiuchi Kazuko | Ogawa Tomoko | 2-1 | 1 2 3 |
| 7 | 1995 | Kato Tomoko | Sugiuchi Kazuko | 2-0 | 1 2 |
| 8 | 1996 | Nishida Terumi | Kato Tomoko | 2-1 | 1 2 3 |
| 9 | 1997 | Nishida Terumi | Ogawa Tomoko | 2-0 | 1 2 |
| 10 | 1998 | Nishida Terumi | Ogawa Tomoko | 2-0 | 1 2 |
| 11 | 1999 | Aoki Kikuyo | Nishida Terumi | 2-0 | 1 2 |
| 12 | 2000 | Aoki Kikuyo | Kobayashi Izumi | 2-0 | 1 2 |
| 13 | 2001 | Kobayashi Izumi | Aoki Kikuyo | 2-0 | 1 2 |
| 14 | 2002 | Aoki Kikuyo | Kobayashi Izumi | 2-0 | 1 2 |
| 15 | 2003 | Kobayashi Izumi | Aoki Kikuyo | 2-0 | 1 2 |
| 16 | 2004 | Kobayashi Izumi | Inori Yoko | 2-0 | 1 2 |
| 17 | 2005 | Koyama Terumi | Kobayashi Izumi | 2-1 | 1 2 3 |
| 18 | 2006 | Aoki Kikuyo | Koyama Terumi | 2-0 | 1 2 |
| 19 | 2007 | Kato Keiko | Aoki Kikuyo | 2-1 | 1 2 3 |
| 20 | 2008 | Xie Yimin | Kato Keiko | 2-0 | 1 2 |
| 21 | 2009 | Xie Yimin | Chinen Kaori | 2-1 | 1 2 3 |
| 22 | 2010 | Xie Yimin | Mukai Chiaki | 2-0 | 1 2 |
| 23 | 2011 | Xie Yimin | Mukai Chiaki | 2-1 | 1 2 3 |
| 24 | 2012 | Xie Yimin | Mukai Chiaki | 2-0 | 1 2 |
| 25 | 2013 | Xie Yimin | Okuda Aya | 2-0 | 1 2 |
| 26 | 2014 | Xie Yimin | Kato Keiko | 2-1 | 1 2 3 |
| 27 | 2015 | Xie Yimin | Suzuki Ayumi | 2-0 | 1 2 |