| ITF Women Karuizawa Qual | 2017/05/20 01:00 | Funa Kozaki v Reina Takahashi | 3-6,4-6 |
| ITF Women Kurume Qual | 2017/05/14 00:30 | Reina Takahashi v Hisamatsu, Shiho | 3-6,7-6,6-7 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2017/03/27 02:30 | Reina Takahashi v Kanai, Ayaka | 6-4,6-3 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2017/03/27 02:30 | Reina Takahashi v Dabin Kim | 4-6,6-2,4-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2017/03/25 01:00 | Thamchaiwat, B. v Reina Takahashi | 4-6,3-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/22 00:30 | Reina Takahashi v Lee, So-Ra | 4-6,2-6 |
| ITF Women Makinohara Qual | 2016/10/10 03:05 | Reina Takahashi v Sakata, Kimika | 3-6,3-6 |
| ITF Women Makinohara Qual | 2016/10/09 04:00 | Reina Takahashi v Kakizawa, Akari | 6-4,4-6,6-4 |
| ITF Women Kurume Qual | 2017/05/14 00:30 | Takayama, Chihiro v Nishimoto, Megumi | 4-6,4-6 |
| ITF Women Fukuoka Qual | 2017/05/07 06:50 | Takayama, Chihiro v Yukina Saigo | 6-3,5-7,4-6 |
| ITF Women Fukuoka Qual | 2017/05/07 02:55 | Anri Nagata v Takayama, Chihiro | 4-6,3-6 |
| ITF Women Anning Qual | 2017/04/22 04:35 | Ng, Kwan Yau v Takayama, Chihiro | 1-6,6-2,1-6 |
| ITF Women Nanning Qual | 2017/04/10 02:00 | Takayama, Chihiro v Qianhui Tang | 3-6,2-6 |
| ITF Women Nanning Qual | 2017/04/09 02:30 | Pei-Chi Lee v Takayama, Chihiro | 4-6,6-7 |
| ITF Women Nanning Qual | 2017/04/08 03:30 | Takayama, Chihiro v Wei Zheng | 6-0,6-0 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2017/03/27 04:00 | Takayama, Chihiro v Haruka Kaji | 4-6,6-2,6-7 |