Stadium: Court A Round: 45 Ground: Hardcourt indoor
| ITF W15 Cancun | 2020/01/28 16:50 | Elyse Lavender v Funa Kozaki | 0-6,7-5,6-3 |
| ITF W15 Cancun | 2020/01/24 14:00 | Justina Mikulskyte v Funa Kozaki | 2-6,6-4,6-3 |
| ITF W15 Cancun | 2020/01/23 14:00 | Funa Kozaki v Victoria Rodriguez | 4-6,6-3,6-4 |
| ITF W15 Cancun | 2020/01/21 15:40 | Funa Kozaki v Maria Paulina Perez Garcia | 6-4,6-3 |
| ITF W25 Hong Kong | 2020/01/06 02:00 | Supapitch Kuearum v Funa Kozaki | 7-5,6-3 |
| ITF W25 Hong Kong | 2020/01/01 02:00 | Sakura Hondo v Funa Kozaki | 7-5,6-1 |
| ITF W25 Hong Kong | 2019/12/31 07:30 | Moyuka Uchijima v Funa Kozaki | 6-2,2-6,6-10 |
| ITF W25 Hong Kong | 2019/12/30 03:00 | Funa Kozaki v Siqi Cao | 6-3,6-4 |
| ITF W15 Hua Hin | 2019/10/15 03:00 | Olga Helmi v Kanako Osafune | 6-2,6-3 |
| ITF W15 Hua Hin | 2019/10/14 03:00 | Kanako Osafune v Jessica Fowler | 6-3,6-1 |
| ITF W25 Makinohara | 2019/10/07 00:30 | Kanako Osafune v Satsuki Koike | 2-6,6-2,3-10 |
| 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 Women Hamamatsu | 2018/10/14 00:00 | Kanako Osafune v Minami Shuto | 6-7,2-6 |