Stadium: Court 10 Round: 62 Ground: Synthetic outdoor
| ITF Women Makinohara | 2018/10/07 03:00 | Haine Ogata v Suzuho Oshino | 6-1,3-6,2-6 |
| ITF Women Nonthaburi Qual | 2018/07/14 05:45 | Haine Ogata v Nina Stadler | 2-6,1-6 |
| ITF Women Hong Kong | 2018/07/10 03:50 | Ayumi Koshiishi v Haine Ogata | 6-1,6-4 |
| ITF Women Daegu Qual | 2018/06/18 03:30 | Sang Hee Park v Haine Ogata | 6-2,6-1 |
| ITF Women Daegu Qual | 2018/06/17 02:00 | So-Hee Yoon v Haine Ogata | 3-6,1-6 |
| ITF Women Gyeongsan | 2018/06/14 03:45 | Haine Ogata v Ho Ching Wu | 3-6,6-7 |
| ITF Women Gyeongsan | 2018/06/13 01:00 | Josephine Boualem v Haine Ogata | 6-3,2-6,2-6 |
| ITF Women Gyeongsan Qual | 2018/06/12 04:00 | Ah Song v Haine Ogata | 5-7,4-6 |
| ITF Women Makinohara | 2018/10/08 00:30 | Kanako Morisaki v Mitsumi Kawasaki | 6-0,0-6,6-4 |
| ITF Women Makinohara | 2018/10/07 00:30 | Mami Hasegawa v Mitsumi Kawasaki | 5-7,6-3,1-6 |
| ITF Women Kyoto | 2018/09/06 01:00 | Haruna Arakawa v Mitsumi Kawasaki | 6-0,6-3 |
| ITF Women Kyoto | 2018/09/05 07:20 | Mitsumi Kawasaki v Nagisa Morimoto | 6-4,6-3 |
| ITF Women Kyoto | 2018/09/05 01:00 | Kanako Osafune v Mitsumi Kawasaki | 4-6,6-7 |
| ITF Women Tsukuba | 2018/08/19 00:30 | Nagi Hanatani v Mitsumi Kawasaki | 6-3,6-3 |
| ITF Women Nonthaburi | 2018/08/05 02:00 | Dabin Kim v Mitsumi Kawasaki | 7-6,6-3 |
| ITF Women Nonthaburi | 2018/08/04 02:00 | Mitsumi Kawasaki v Lisa-Marie Rioux | 7-5,6-4 |