Round: 54 Ground: Hardcourt outdoor
| ITF Women Kofu Qual | 2018/06/09 04:00 | Mana Kawamura v Makoto Yamaguchi | 7-6,7-5 |
| ITF Women Kofu Qual | 2018/06/09 00:00 | Makoto Yamaguchi v Aoiko Goto | 6-3,6-4 |
| ITF Women Nishi-Tama | 2018/03/21 02:00 | Mami Hasegawa v Makoto Yamaguchi | 6-4,6-2 |
| ITF Women Hamamatsu Qual | 2017/10/14 00:00 | Makoto Yamaguchi v Ayumi Koshiishi | 1-6,4-6 |
| ITF Women Nishi-Tama | 2017/03/18 02:00 | Kumi So v Makoto Yamaguchi | 6-2,6-2 |
| ITF Women Hong Kong | 2017/12/31 02:00 | Mitsumi Kawasaki v Sheena Jade Masuda Karrasch | 6-1,6-1 |
| ITF Women Hong Kong | 2017/12/30 04:30 | Sheena Jade Masuda Karrasch v Naoko Eto | 6-4,3-6,6-3 |
| ITF Women Hong Kong | 2017/12/23 02:00 | Sheena Jade Masuda Karrasch v Mai Hontama | 1-6,2-6 |
| ITF Women Hong Kong | 2017/07/23 02:00 | Ai Kamiyoshihara v Sheena Jade Masuda Karrasch | 6-4,6-4 |