Stadium: Court C Round: 62 Ground: Hardcourt outdoor
| ITF Women Burnie Qual | 2018/01/27 23:00 | Jia Qi Ren v Kotomi Takahata | 6-7,6-3,6-1 |
| ITF Women Toyota Qual | 2017/11/12 01:40 | Megumi Nishimoto v Kotomi Takahata | 6-3,2-6,6-3 |
| ITF Women Makinohara | 2017/10/11 00:30 | Kotomi Takahata v Naomi Cheong | 0-6,1-6 |
| WTA Dalian Qual | 2017/09/03 06:10 | Hiroko Kuwata v Kotomi Takahata | 6-2,6-0 |
| ITF Women Dunakeszi Qual | 2017/08/26 10:20 | Kotomi Takahata v Sabrina Santamaria | 3-6,2-6 |
| ITF Women Artvin Qual | 2017/08/20 07:00 | Gozal Ainitdinova v Kotomi Takahata | 7-6,6-1 |
| ITF Women Artvin Qual | 2017/08/19 08:00 | Mirabelle Njoze v Kotomi Takahata | 1-6,1-6 |
| ITF Women Anning | 2017/07/04 01:30 | Kotomi Takahata v Jiaying He | 6-7,0-6 |
| ITF Women Hamamatsu Qual | 2017/10/14 01:00 | Minami Shuto v Kiko Nishizato | 5-7,6-3,6-0 |
| ITF Women Kofu Qual | 2017/06/12 02:00 | Kiko Nishizato v Kimika Sakata | 3-6,2-6 |
| ITF Women Kofu Qual | 2017/06/11 04:00 | Pei-Chi Lee v Kiko Nishizato | 6-2,2-6,5-7 |
| ITF Women Kofu Qual | 2017/06/11 00:00 | Kiko Nishizato v Suzuka Furukawa | 6-3,6-4 |