Round: 25 Ground: Synthetic outdoor
| ITF Women Kurume Qual | 2017/05/14 08:15 | Mei Yamaguchi v Takahata, Kotomi | 6-1,7-6 |
| ITF Women Kurume Qual | 2017/05/14 05:00 | Anri Nagata v Takahata, Kotomi | 4-6,3-6 |
| ITF Women Fukuoka Qual | 2017/05/07 04:35 | Takahata, Kotomi v Erina Hayashi | 4-6,6-2,0-6 |
| ITF Women Fukuoka Qual | 2017/05/07 01:00 | Naoko Eto v Takahata, Kotomi | 3-6,2-6 |
| ITF Women Gifu Qual | 2017/04/30 05:45 | Takahata, Kotomi v Kang, Jia-Qi | 2-6,3-6 |
| ITF Women Kashiwa Qual | 2017/04/03 00:30 | Jeong, Sunam v Takahata, Kotomi | 6-0,7-6 |
| ITF Women Kashiwa Qual | 2017/04/02 04:00 | Takahata, Kotomi v Hong, Seung-Yeon | 6-4,6-3 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2017/03/25 01:00 | Takahata, Kotomi v Wushuang Zheng | 3-6,0-6 |
| ITF Women Qujing | 2017/05/16 06:10 | Pei, Tingting v Kijima, Mizuno | 6-4,1-6,6-3 |
| ITF Women Changwon | 2017/05/11 05:25 | Kijima, Mizuno v Luksika Kumkhum | 3-6,1-6 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/05/02 06:25 | Patcharin Cheapchandej v Kijima, Mizuno | 7-6,6-3 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/04/25 04:45 | Sun, Ziyue v Kijima, Mizuno | 6-3,7-5 |
| Irapuato, Singles W-WITF-MEX-01A | 2017/04/11 19:40 | Kijima, Mizuno v Giuliana Olmos | 6-3,1-6,1-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/23 01:00 | Kijima, Mizuno v Lee, So-Ra | 6-4,3-6,2-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/22 00:30 | Lertpitaksinchai, Nicha v Kijima, Mizuno | 7-5,2-6,2-6 |
| ITF Women Hong Kong | 2016/12/31 04:30 | Karman Kaur Thandi v Kijima, Mizuno | 6-2,7-6 |