Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF Women Karuizawa Qual | 2018/05/21 02:40 | Sakura Hondo v Reina Takahashi | 6-1,5-7,6-1 |
| ITF Women Karuizawa Qual | 2018/05/20 04:00 | Chie Kezuka v Reina Takahashi | 6-3,1-6,3-6 |
| ITF Women Kofu Qual | 2018/03/24 03:00 | Reina Takahashi v Shiho Akita | 4-6,1-6 |
| ITF Women Nishi-Tama | 2018/03/21 05:35 | Reina Takahashi v Rika Fujiwara | 6-7,7-6,3-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Rion Itaya v Reina Takahashi | 6-3,6-4 |
| ITF Women Tokyo Qual | 2017/11/05 03:00 | Reina Takahashi v Haruna Arakawa | 1-6,2-6 |
| ITF Women Tokyo Qual | 2017/11/04 04:15 | Reina Takahashi v Michiru Furuya | 6-2,6-3 |
| ITF Women Hamamatsu Qual | 2017/10/16 03:30 | Reina Takahashi v Minami Shuto | 4-6,1-6 |
| ITF Women Kofu Qual | 2018/06/09 00:00 | Nao Nishida v Arisa Abe | 6-2,4-6,6-1 |
| ITF Women Kashiwa Qual | 2018/04/01 03:00 | Nao Nishida v Ya-Hsuan Lee | 1-6,0-6 |
| ITF Women Yokohama Qual | 2018/03/04 02:30 | Nao Nishida v Yuki Kristina Chiang | 4-6,6-7 |
| ITF Women Hamamatsu Qual | 2017/10/14 01:00 | Nao Nishida v Mako Ganaha | 6-7,3-6 |
| ITF Women Kofu Qual | 2017/06/11 00:00 | Haruka Kaji v Nao Nishida | 6-1,5-7,6-2 |
| ITF Women Nishi-Tama | 2017/03/18 01:00 | Ayaka Kanai v Nao Nishida | 4-6,7-5,7-6 |
| ITF Women Yokohama Qual | 2017/03/06 00:30 | Rio Kitagawa v Nao Nishida | 5-7,6-2,6-1 |
| ITF Women Yokohama Qual | 2017/03/05 00:30 | Nao Nishida v Nozomi Fujioka | 6-4,6-2 |