stadio: COURT F Round: 54 Ground: Synthetic outdoor
| ITF W25 Taipei | 2019/07/29 02:00 | Kanako Osafune v Satsuki Koike | 1-6,1-6 |
| ITF W25 Kyoto | 2019/09/02 02:00 | Kanako Osafune v Michiru Furuya | 3-6,4-6 |
| ITF W25 Taipei | 2019/07/29 02:00 | Kanako Osafune v Satsuki Koike | 1-6,1-6 |
| ITF W25 Qujing | 2019/07/16 03:30 | Xinyu Gao v Kanako Osafune | 6-4,6-3 |
| ITF W25 Qujing | 2019/07/15 03:15 | Xiaotong Zhao v Kanako Osafune | 0-6,2-6 |
| ITF femminile Hamamatsu | 2018/10/14 00:00 | Kanako Osafune v Minami Shuto | 6-7,2-6 |
| ITF femminile Kyoto | 2018/09/05 01:00 | Kanako Osafune v Mitsumi Kawasaki | 4-6,6-7 |
| ITF Femminile Taipei | 2018/07/23 03:00 | Yi Tsen Cho v Kanako Osafune | 3-6,6-2,7-6 |
| ITF Femminile Kofu - Qual. | 2018/06/09 04:00 | Hikaru Sato v Kanako Osafune | 6-3,6-2 |
| ITF W25 Taipei | 2019/07/30 04:15 | Mana Kawamura v Satsuki Koike | 6-1,6-2 |
| ITF W25 Taipei | 2019/07/29 02:00 | Kanako Osafune v Satsuki Koike | 1-6,1-6 |
| ITF W15 Gimcheon | 2019/06/18 05:10 | Satsuki Koike v Olga Helmi | 6-7,4-6 |
| ITF W15 Gimcheon | 2019/06/12 03:20 | Satsuki Koike v Hyojung Yea | 0-6,1-6 |
| ITF W15 Tabarka | 2019/04/04 11:45 | Margarita Lazareva v Satsuki Koike | 6-0,6-4 |
| ITF W15 Tabarka | 2019/04/02 13:25 | Nicole Gadient v Satsuki Koike | 5-7,1-6 |
| ITF W15 Tabarka | 2019/04/01 14:30 | Satsuki Koike v Pauline Demel | 6-0,6-2 |
| ITF W15 Tabarka | 2019/03/29 09:00 | Alice Rame v Satsuki Koike | 6-3,6-4 |