Stadium: Court A9 Round: 25 Ground: Synthetic outdoor
| ITF Women Antalya | 2018/05/05 08:00 | Haruna Arakawa v Dia Evtimova | 6-4,6-3 |
| ITF Women Antalya | 2018/05/04 08:00 | Haruna Arakawa v Camila Giangreco Campiz | 6-2,7-5 |
| ITF Women Antalya | 2018/05/03 07:30 | Svetlana Iansitova v Haruna Arakawa | 6-3,2-6,3-6 |
| ITF Women Antalya | 2018/05/02 07:30 | Szabina Szlavikovics v Haruna Arakawa | 4-6,1-6 |
| ITF Women Antalya | 2018/04/28 07:30 | Oana Georgeta Simion v Haruna Arakawa | 6-3,5-7,6-1 |
| ITF Women Antalya | 2018/04/27 07:30 | Haruna Arakawa v Camila Giangreco Campiz | 6-0,6-2 |
| ITF Women Antalya | 2018/04/26 09:00 | Marianna Zakarlyuk v Haruna Arakawa | 2-6,6-2,2-6 |
| ITF Women Antalya | 2018/04/24 09:25 | Haruna Arakawa v Gyulnara Nazarova | 6-1,7-5 |
| ITF Women Gifu Qual | 2018/04/29 03:10 | Mai Hontama v Ayaka Okuno | 5-7,7-6,6-2 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Erina Hayashi v Mai Hontama | 6-0,6-4 |
| ITF Women Osaka Qual | 2018/04/07 05:30 | Akari Inoue v Mai Hontama | 3-6,4-6 |
| ITF Women Kofu | 2018/03/27 01:00 | Ankita Raina v Mai Hontama | 6-1,7-6 |
| ITF Women Toyota Qual | 2018/03/11 01:00 | Mai Hontama v Kyoka Okamura | 6-4,1-6,3-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Mai Hontama v Yui Chikaraishi | 6-0,6-2 |
| ITF Women Yokohama Qual | 2018/03/10 01:00 | Mai Hontama v Yexin Ma | 6-3,4-6,6-7 |
| ITF Women Yokohama | 2018/03/07 04:40 | Mai Hontama v Yexin Ma | 6-3,4-6,6-7 |