Stadium: Court 1 Round: 54
| ITF Women Granby Qual | 2018/07/21 16:35 | Shelby Talcott v Akiko Omae | 3-6,0-6 |
| ITF Women Winnipeg | 2018/07/10 15:00 | Akiko Omae v Maria Sanchez | 6-4,4-6,4-6 |
| ITF Women Singapore Qual | 2018/06/10 02:00 | Akiko Omae v Victoria Muntean | 4-6,2-6 |
| ITF Women Singapore Qual | 2018/06/09 02:00 | Akiko Omae v Evelina Kontareva | 6-0,6-1 |
| ITF Women Changwon | 2018/05/22 01:00 | Akiko Omae v Hanna Chang | 1-6,5-7 |
| ITF Women Incheon | 2018/05/18 02:00 | En Shuo Liang v Akiko Omae | 7-5,7-6 |
| ITF Women Incheon | 2018/05/17 04:35 | Na Ri Kim v Akiko Omae | 4-6,6-7 |
| ITF Women Incheon | 2018/05/16 06:20 | Akiko Omae v Mayo Hibi | 6-3,2-6,6-4 |
| ITF Women Granby Qual | 2018/07/21 13:00 | Ariana Arseneault v Haruna Arakawa | 4-6,4-6 |
| ITF Women Berkeley | 2018/07/18 18:30 | Sofia Kenin v Haruna Arakawa | 6-0,6-3 |
| ITF Women Berkeley Qual | 2018/07/17 17:00 | Andreea Ghitescu v Haruna Arakawa | 4-6,6-2,6-7 |
| ITF Women Berkeley Qual | 2018/07/15 21:35 | Mylene Mukhar v Haruna Arakawa | 2-6,1-6 |
| ITF Women Honolulu Qual | 2018/07/10 20:00 | Haruna Arakawa v Denise Starr | 7-5,2-6,3-6 |
| ITF Women Honolulu Qual | 2018/07/09 22:40 | Haruna Arakawa v Anastasia Sysoeva | 6-1,6-0 |
| ITF Women Honolulu Qual | 2018/07/08 22:45 | Haruna Arakawa v Warona Mdlulwa | 6-1,6-0 |
| ITF Women Hong Kong | 2018/06/20 04:05 | Haruna Arakawa v Zuzana Zlochova | 1-6,6-0,3-6 |