Round: 62 Ground: Hardcourt outdoor
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/18 02:00 | Luangnam, Nudnida v Takayama, Chihiro | 3-6,6-7 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2017/03/05 06:00 | Takayama, Chihiro v Takahata, Kotomi | 3-6,7-5,2-6 |
| ITF Women Hong Kong | 2016/12/25 02:00 | Yidi Yang v Takayama, Chihiro | 6-3,6-3 |
| ITF Women Hong Kong | 2016/12/24 02:00 | Takayama, Chihiro v Qianhui Tang | 6-4,6-3 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2016/11/10 09:40 | Konig, Pia v Takayama, Chihiro | 4-6,7-5,6-2 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2016/11/09 07:00 | Oreshkina, Maria v Takayama, Chihiro | 6-7,1-6 |
| ITF Women Chenzhou | 2016/11/01 03:10 | Takayama, Chihiro v Xiyu Wang | 3-6,4-6 |
| ITF Women Chenzhou Qual | 2016/10/30 06:10 | Zhao, Qianqian v Takayama, Chihiro | 2-6,7-6,6-7 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2017/03/06 04:00 | Minokoshi, Mai v Kato, Kei | 6-2,6-7,6-2 |
| ITF Women Hong Kong | 2016/12/24 02:00 | Liu, Mingyang v Kato, Kei | 7-6,6-3 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2016/10/19 05:40 | Kato, Kei v Aoyama, Shuko | 2-6,0-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2016/10/13 00:30 | Kato, Kei v Lykina, Ksenia | 1-6,0-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2016/10/12 02:00 | Kato, Kei v Sakata, Kimika | 6-3,6-1 |
| ITF Women Makinohara Qual | 2016/10/10 00:30 | Koshino, Yurina v Kato, Kei | 2-6,1-6 |
| ITF Women Makinohara Qual | 2016/10/09 00:30 | Ando, Yuki v Kato, Kei | 6-2,4-6,1-6 |