Stadium: Court 6 Round: 45 Ground: Hardcourt outdoor
| ITF W25 Jokohama | 2019/03/08 02:00 | Naho Sato v Elena-Gabriela Ruse | 1-6,2-6 |
| ITF W25 Jokohama | 2019/03/07 05:10 | Naho Sato v Mayo Hibi | 6-3,6-4 |
| ITF W25 Jokohama | 2019/03/06 03:25 | Ayano Shimizu v Naho Sato | 6-7,3-6 |
| ITF W25 Osaka | 2019/02/26 01:00 | Ayano Shimizu v Naho Sato | 6-4,6-2 |
| ITF W60 Kyoto | 2019/02/21 05:20 | Naho Sato v Robin Anderson | 1-6,2-6 |
| ITF W60 Kyoto | 2019/02/19 06:00 | Fang Ying Xun v Naho Sato | 6-7,1-6 |
| ITF W15 - Antalya | 2019/01/27 10:30 | Yexin Ma v Naho Sato | 4-6,3-6 |
| ITF W15 - Antalya | 2019/01/19 07:00 | Naho Sato v Zhibek Kulambayeva | 5-7,1-6 |
| ITF W60 Shenzhen | 2019/03/12 02:00 | Xiaodi You v Mana Ayukawa | 6-3,6-2 |
| ITF W60 Shenzhen | 2019/03/11 05:00 | Dabin Kim v Mana Ayukawa | 4-6,0-6 |
| ITF W25 Jokohama | 2019/03/04 03:25 | Catherine Harrison v Mana Ayukawa | 6-2,7-6 |
| ITF W25 Osaka | 2019/02/26 02:40 | Mana Ayukawa v Miyabi Inoue | 6-4,5-7,7-10 |
| ITF W25 Osaka | 2019/02/25 03:00 | Eri Hozumi v Mana Ayukawa | 7-5,3-6,8-10 |
| ITF W60 Kyoto | 2019/02/19 01:00 | Mana Ayukawa v Ling Zhang | 6-2,4-6,6-10 |
| ITF W60 Kyoto | 2019/02/18 01:00 | Ulrikke Eikeri v Mana Ayukawa | 3-6,3-6 |
| ITF W25 Jodhpur | 2019/01/30 06:35 | Mana Ayukawa v Bojana Marinkovic | 2-6,4-6 |