Stadium: Court C Round: 62 Ground: Hardcourt outdoor
| ITF Women Mallorca | 2018/02/14 10:40 | Julia Payola v Yukina Saigo | 3-6,6-4,6-4 |
| ITF Women Mallorca | 2018/02/07 08:35 | Yukina Saigo v Lisa Ponomar | 3-6,3-6 |
| ITF Women Toyota Qual | 2017/11/12 00:30 | Haruna Arakawa v Yukina Saigo | 6-2,6-1 |
| ITF Women Tokyo Qual | 2017/11/04 02:45 | Yukina Saigo v Mei Yamaguchi | 2-6,7-6,3-6 |
| ITF Women Hamamatsu | 2017/10/19 04:00 | Mitsumi Kawasaki v Yukina Saigo | 4-6,6-4,6-1 |
| ITF Women Hamamatsu | 2017/10/18 00:00 | Sakura Hosogi v Yukina Saigo | 1-6,6-4,4-6 |
| ITF Women Hamamatsu Qual | 2017/10/17 06:00 | Yukina Saigo v Minami Shuto | 4-6,2-6 |
| ITF Women Hamamatsu Qual | 2017/10/16 01:00 | Yukina Saigo v Ayano Sonoda | 6-3,6-2 |
| ITF Women Hamamatsu Qual | 2017/10/17 06:00 | Mami Hasegawa v Ayumi Koshiishi | 2-6,6-3,6-7 |
| ITF Women Hamamatsu Qual | 2017/10/16 02:00 | Chihiro Takayama v Mami Hasegawa | 3-6,5-7 |
| ITF Women Makinohara | 2017/10/10 00:30 | Mai Hontama v Mami Hasegawa | 6-2,2-6,6-3 |
| ITF Women Makinohara Qual | 2017/10/09 00:30 | Mami Hasegawa v Mei Yamaguchi | 7-5,6-1 |
| ITF Women Makinohara Qual | 2017/10/08 03:30 | Varvara Kuznetsova v Mami Hasegawa | 4-6,2-6 |
| ITF Women Hua Hin Qual | 2017/09/09 03:00 | Tamaryn Hendler v Mami Hasegawa | 6-2,6-1 |
| ITF Women Nanjing Qual | 2017/02/26 02:00 | Shuyue Ma v Mami Hasegawa | 6-3,7-5 |
| ITF Women Nanjing Qual | 2017/02/25 02:00 | Pinyi Zuo v Mami Hasegawa | 4-6,0-6 |