Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| Qujing, Simples W-ITF-CHN-15A | 2019/07/16 03:30 | Xinyu Gao v Kanako Osafune | 6-4,6-3 |
| Qujing, Simples W-ITF-CHN-15A | 2019/07/15 03:15 | Zhao, Xiaotong v Kanako Osafune | 0-6,2-6 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/14 00:00 | Kanako Osafune v Shuto, Minami | 6-7,2-6 |
| ITF Women Kyoto | 2018/09/05 01:00 | Kanako Osafune v Kawasaki, Mitsumi | 4-6,6-7 |
| ITF Women Taipei | 2018/07/23 03:00 | Yi Tsen Cho v Kanako Osafune | 3-6,6-2,7-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/09 04:00 | Hikaru Sato v Kanako Osafune | 6-3,6-2 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/09 00:00 | Sumire Ri v Kanako Osafune | 4-6,1-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/08 08:00 | Milkova, Barbora v Kanako Osafune | 6-3,6-2 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/18 05:10 | Koike, Satsuki v Olga Helmi | 6-7,4-6 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/12 03:20 | Koike, Satsuki v Yea, Hyojung | 0-6,1-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/04 11:45 | Lazareva, Margarita v Koike, Satsuki | 6-0,6-4 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/02 13:25 | Nicole Gadient v Koike, Satsuki | 5-7,1-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/01 14:30 | Koike, Satsuki v Demel, Pauline | 6-0,6-2 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/03/29 09:00 | Alice Rame v Koike, Satsuki | 6-3,6-4 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/03/28 12:15 | Koike, Satsuki v Skamlova, Chantal | 6-1,6-2 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/03/27 13:00 | Brune Olsen, Astrid Wanja v Koike, Satsuki | 2-6,6-2,4-6 |