| date | black | white | result | #mv | sgf |
|---|---|---|---|---|---|
| 2007-06-30 | Kobayashi Izumi | Kato Keiko | B+1.5 | 328 | sgf |
| 2008-09-27 | Kobayashi Izumi | Xie Yimin | W+R | 162 | sgf |
| 2009-07-18 | Xie Yimin | Kobayashi Izumi | B+3.5 | 343 | sgf |
| 2010-07-17 | Mannami Kana | Okuda Aya | B+6.5 | 296 | sgf |
The winners were Kobayashi Izumi (2007), Xie Yimin (2008, 2009), Mannami Kana (2010).
For the full tournaments, see the links above.