| ITF Women Fukuoka Qual | 2017/05/08 01:30 | Risa Ushijima v Yukina Saigo | 4-6,4-6 |
| ITF Women Fukuoka Qual | 2017/05/07 06:50 | Chihiro Takayama v Yukina Saigo | 6-3,5-7,4-6 |
| ITF Women Fukuoka Qual | 2017/05/07 02:30 | Moyuka Uchijima v Yukina Saigo | 3-6,4-6 |
| ITF Women Gifu Qual | 2017/04/30 08:00 | Varatchaya Wongteanchai v Yukina Saigo | 6-1,6-0 |
| ITF Women Gifu Qual | 2017/04/30 01:00 | Yukina Saigo v Mihoki Miyahara | 6-1,6-7,6-4 |
| ITF Women Anning Qual | 2017/04/22 07:00 | Xu Liu Sun v Yukina Saigo | 6-3,6-7,7-6 |
| ITF Women Kashiwa Qual | 2017/04/02 05:30 | Pei-Chi Lee v Yukina Saigo | 6-1,1-6,7-5 |
| ITF Women Kofu Qual | 2017/03/25 03:30 | Haruna Arakawa v Yukina Saigo | 6-4,6-7,7-6 |
| ITF Women Gifu | 2017/05/03 01:00 | Riko Sawayanagi v Arina Rodionova | 6-2,3-6,5-7 |
| WTA Zhengzhou | 2017/04/19 06:20 | Shuai Peng v Riko Sawayanagi | 6-1,6-4 |
| WTA Zhengzhou | 2017/04/18 05:55 | Miyu Kato v Riko Sawayanagi | 6-7,0-6 |
| ITF Women Nanning | 2017/04/11 05:30 | Riko Sawayanagi v Qianhui Tang | 1-6,5-7 |
| ITF Women Kashiwa | 2017/04/05 02:15 | Makoto Ninomiya v Riko Sawayanagi | 5-7,6-3,6-3 |
| ITF Women Kofu | 2017/03/31 01:00 | Na-Lae Han v Riko Sawayanagi | 6-2,6-2 |
| ITF Women Kofu | 2017/03/30 04:05 | Chihiro Muramatsu v Riko Sawayanagi | 3-6,3-6 |
| ITF Women Kofu | 2017/03/28 02:35 | Yumeko Yoshitomi v Riko Sawayanagi | 3-6,0-6 |