Stadion: Court 8 Round: 54 Ground: Hardcourt outdoor
| ITF Frauen - W100 - Tokio | 2019/11/11 01:00 | Mai Hontama v Mio Kozaki | 6-0,6-0 |
| ITF Damen - W15 - Yeongwol | 2019/09/04 05:05 | Mio Kozaki v Eunyeong Park | 3-6,2-6 |
| ITF Damen - W15 - Yeongwol | 2019/08/27 05:55 | Mio Kozaki v Tamachan Momkoonthod | 0-6,0-6 |
| ITF Damen - W25 - Tsukuba | 2019/08/19 03:15 | Yu-Ting Hsieh v Mio Kozaki | 6-2,6-3 |
| ITF Damen - W25 - Taipei | 2019/07/29 02:00 | Mio Kozaki v Yu-Ting Hsieh | 1-6,3-6 |
| ITF Damen - W15 - Hua Hin | 2019/07/10 03:00 | Mio Kozaki v Ambre Feder | 6-1,3-6,2-6 |
| ITF Damen - W15 - Hua Hin | 2019/07/02 04:25 | Mana Kawamura v Mio Kozaki | 6-3,6-2 |
| ITF Damen - W15 - Jakarta | 2019/06/27 02:30 | Arianne Hartono v Mio Kozaki | 6-1,6-1 |
| ITF Damen - W25 - Hongkong | 2020/01/02 02:00 | Lin Zhu v Mei Yamaguchi | 6-0,6-2 |
| ITF Damen - W25 - Hongkong | 2020/01/01 04:55 | Mei Yamaguchi v Lucie Hradecka | 6-3,3-6,7-5 |
| ITF Damen - W25 - Hongkong | 2019/12/31 02:00 | Yexin Ma v Mei Yamaguchi | 2-6,7-6,5-10 |
| ITF Damen - W25 - Hongkong | 2019/12/30 03:00 | Mei Yamaguchi v Zhibek Kulambayeva | 6-2,6-0 |
| ITF Damen - W25 - Hua Hin | 2019/11/13 03:00 | Mei Yamaguchi v Abigail Tere-Apisah | 3-6,5-7 |
| ITF Damen - W25 - Hua Hin | 2019/11/12 04:40 | Mei Yamaguchi v Punnin Kovapitukted | 6-2,6-4 |
| ITF Damen - W25 - Hua Hin | 2019/11/11 05:45 | Mei Yamaguchi v Eun Se Jang | 6-1,6-3 |
| ITF Damen - W25 - Hua Hin | 2019/11/04 08:15 | Ayaka Okuno v Mei Yamaguchi | 7-5,6-1 |