Stadium: C Round: 54 Ground: Hardcourt outdoor
| ITF Women Karuizawa | 2017/05/26 01:00 | Momoko Kobori v Nagi Hanatani | 6-4,6-4 |
| ITF Women Burnie Qual | 2018/01/28 00:20 | Momoko Kobori v Belinda Woolcock | 6-3,2-6,6-3 |
| Australian Open Women WC Qual | 2017/11/28 02:00 | Momoko Kobori v Xu Liu Sun | 2-6,3-6 |
| ITF Women Toyota | 2017/11/16 01:00 | Junri Namigata v Momoko Kobori | 6-4,6-3 |
| ITF Women Toyota | 2017/11/14 04:55 | Agnes Bukta v Momoko Kobori | 1-6,5-7 |
| ITF Women Tokyo | 2017/11/09 03:35 | Momoko Kobori v Mihaela Buzarnescu | 3-6,3-6 |
| ITF Women Tokyo | 2017/11/07 01:00 | Ling Zhang v Momoko Kobori | 2-6,3-6 |
| ITF Women Hamamatsu | 2017/10/19 04:00 | Ayano Shimizu v Momoko Kobori | 1-6,6-0,6-2 |
| ITF Women Hamamatsu | 2017/10/18 02:30 | Momoko Kobori v Ayumi Koshiishi | 7-6,6-3 |
| ITF Women Burnie Qual | 2018/01/28 01:45 | Nagi Hanatani v Alicia Smith | 7-5,6-4 |
| ITF Women Navi Mumbai | 2017/12/19 04:00 | Nagi Hanatani v Aliona Bolsova Zadoinov | 4-6,3-6 |
| ITF Women Navi Mumbai Qual | 2017/12/17 05:40 | Nagi Hanatani v Ksenia Palkina | 7-5,6-0 |
| ITF Women Navi Mumbai Qual | 2017/12/16 11:10 | Nagi Hanatani v Jessy Rompies | 6-4,6-2 |
| ITF Women Pune | 2017/12/11 04:30 | Katy Dunne v Nagi Hanatani | 6-3,6-1 |
| ITF Women Pune Qual | 2017/12/10 06:35 | Nagi Hanatani v Ksenia Palkina | 6-1,3-6,6-4 |
| ITF Women Pune Qual | 2017/12/09 03:30 | Nagi Hanatani v Weronika Jasmina Forys | 3-6,6-2,6-3 |
| ITF Women Toyota Qual | 2017/11/12 10:45 | Aiko Yoshitomi v Nagi Hanatani | 6-2,6-2 |