Estadio: Court 2 Round: 45 Ground: Grass
| ITF Toyota - Femenino - Clasificación | 2018/03/10 03:00 | Mana Ayukawa v Mei Yamaguchi | 4-6,2-6 |
| ITF W60 Kurume | 2019/05/13 00:30 | Mana Ayukawa v Ari Matsumoto | 6-2,6-2 |
| ITF W60 Fukuoka | 2019/05/09 03:45 | Zarina Diyas v Mana Ayukawa | 6-1,6-0 |
| ITF W60 Fukuoka | 2019/05/07 02:15 | Mana Ayukawa v Haruka Kaji | 6-4,3-6,6-2 |
| ITF W80 Gifu | 2019/04/29 03:30 | Mana Ayukawa v Nagi Hanatani | 4-6,6-7 |
| ITF W25 Osaka | 2019/04/08 04:55 | Mana Ayukawa v Joanna Garland | 3-6,4-6 |
| ITF W25 Kashiwa | 2019/04/03 00:30 | Ayano Shimizu v Mana Ayukawa | 7-5,6-4 |
| ITF W25 Kashiwa | 2019/04/02 00:00 | Ayaka Okuno v Mana Ayukawa | 2-6,4-6 |
| ITF W25 Kashiwa | 2019/04/01 03:00 | Naho Sato v Mana Ayukawa | 6-4,4-6,7-10 |
| ITF W60 Kurume | 2019/05/13 00:30 | Hiromi Abe v Mei Yamaguchi | 1-6,1-6 |
| ITF W60 Fukuoka | 2019/05/06 02:15 | Mei Yamaguchi v Nagi Hanatani | 6-7,6-3,6-10 |
| ITF W25 Osaka | 2019/04/09 01:00 | Risa Ozaki v Mei Yamaguchi | 6-4,4-6,6-2 |
| ITF W25 Osaka | 2019/04/08 01:00 | Miyu Nakashima v Mei Yamaguchi | 6-2,3-6,8-10 |
| ITF W15 Nanchang | 2019/02/27 03:45 | Shou Na Mu v Mei Yamaguchi | 6-4,6-1 |
| ITF W15 Nanchang | 2019/02/24 03:00 | Mei Yamaguchi v Jiaxi Lu | 6-7,2-6 |
| ITF W15 Nanchang | 2019/02/23 03:00 | Siqi Cao v Mei Yamaguchi | 3-6,6-3,4-6 |
| ITF W15 Nanchang | 2019/02/22 05:00 | Chengyiyi Yuan v Mei Yamaguchi | 7-5,1-6,3-6 |