Stadium: Court A Round: 45 Ground: Hardcourt indoor
| ITF W15 Cancun | 2020/01/28 16:50 | Lavender, Elyse 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 |
| Hong Kong, Simples W-ITF-HKG-01B | 2020/01/06 02:00 | Kuearum, Supapitch v Funa Kozaki | 7-5,6-3 |
| Hong Kong, Simples W-ITF-HKG-01B | 2020/01/01 02:00 | Hondo, Sakura v Funa Kozaki | 7-5,6-1 |
| Hong Kong, Simples W-ITF-HKG-01B | 2019/12/31 07:30 | Moyuka Uchijima v Funa Kozaki | 6-2,2-6,6-10 |
| Hong Kong, Simples W-ITF-HKG-01B | 2019/12/30 03:00 | Funa Kozaki v Cao, Siqi | 6-3,6-4 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/10/15 03:00 | Olga Helmi v Kanako Osafune | 6-2,6-3 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/10/14 03:00 | Kanako Osafune v Fowler, Jessica | 6-3,6-1 |
| ITF W25 Makinohara | 2019/10/07 00:30 | Kanako Osafune v Koike, Satsuki | 2-6,6-2,3-10 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2019/09/02 02:00 | Kanako Osafune v Furuya, Michiru | 3-6,4-6 |
| Taipei, Singles W-ITF-TPE-01A | 2019/07/29 02:00 | Kanako Osafune v Koike, Satsuki | 1-6,1-6 |
| 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 |