Stadium: Court C Round: 26
| ITF Women Kyoto | 2018/09/05 01:00 | Haruna Arakawa v Michiru Furuya | 6-4,6-2 |
| ITF Women Nanao | 2018/08/28 03:00 | Haruna Arakawa v Mai Hontama | 2-6,7-6,3-6 |
| ITF Women Tsukuba | 2018/08/22 00:30 | Ya-Hsuan Lee v Haruna Arakawa | 5-7,6-0,6-0 |
| ITF Women Tsukuba | 2018/08/20 01:00 | Haruna Arakawa v Sakura Hondo | 4-6,6-3,6-3 |
| ITF Women Tsukuba | 2018/08/19 03:00 | Haruna Arakawa v Ayumi Miyamoto | 4-6,6-4,6-1 |
| ITF Women Nonthaburi | 2018/08/16 02:00 | Haruna Arakawa v Xiyu Wang | 1-6,1-6 |
| ITF Women Nonthaburi | 2018/08/15 03:55 | Bunyawi Thamchaiwat v Haruna Arakawa | 4-6,2-6 |
| ITF Women Nonthaburi | 2018/08/14 02:00 | Chompoothip Jandakate v Haruna Arakawa | 4-6,6-7 |
| ITF Women Kyoto | 2018/09/05 03:30 | Anri Nagata v Mayuka Aikawa | 6-3,6-4 |
| ITF Women Kyoto | 2018/09/03 01:00 | Yui Chikaraishi v Anri Nagata | 4-6,1-6 |
| ITF Women Kyoto | 2018/09/02 01:00 | Ayano Sonoda v Anri Nagata | 1-6,1-6 |
| ITF Women Nanao | 2018/08/29 03:30 | Akiko Omae v Anri Nagata | 6-3,6-3 |
| ITF Women Tsukuba | 2018/08/20 04:20 | Anri Nagata v Mana Ayukawa | 0-6,4-6 |
| ITF Women Tsukuba | 2018/08/19 00:30 | Tori Kinard v Anri Nagata | 6-2,4-6,2-6 |
| ITF Women LPD Gran Canaria Qual | 2018/08/12 15:30 | Ines Murta v Anri Nagata | 6-4,4-6,6-3 |
| ITF Women LPD Gran Canaria Qual | 2018/08/11 15:00 | Francesca Gaida v Anri Nagata | 1-6,0-6 |