Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF Women Karuizawa Qual | 2018/05/21 01:30 | Kanako Morisaki v Mana Kawamura | 5-7,6-4,6-3 |
| ITF Women Karuizawa Qual | 2018/05/20 02:30 | Mana Kawamura v Suzuho Oshino | 6-2,6-2 |
| ITF Women Toyota | 2018/03/13 01:00 | Mana Kawamura v Ayano Shimizu | 3-6,6-3,4-6 |
| ITF Women Makinohara Qual | 2017/10/08 02:00 | Mana Kawamura v Ange Oby Kajuru | 4-6,4-6 |
| ITF Women Kyoto | 2017/09/02 03:00 | Mana Kawamura v Himari Sato | 3-6,1-6 |
| ITF Women Nanao Qual | 2017/08/28 01:00 | Aiko Yoshitomi v Mana Kawamura | 1-6,6-3,6-2 |
| ITF Women Nanao Qual | 2017/08/27 01:00 | Mana Kawamura v Mitsumi Kawasaki | 6-2,6-2 |
| ITF Women Tsukuba | 2017/08/22 02:40 | Giulia Gatto Monticone v Mana Kawamura | 6-0,6-1 |
| 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 |