Estádio: Court A Round: 25 Ground: Hardcourt outdoor
| ITF - Nonthaburi - Feminino | 2018/08/07 02:00 | Chihiro Muramatsu v Dabin Kim | 1-6,1-6 |
| ITF - Contrexéville - Qualificação - Feminino | 2018/07/08 08:00 | Margot Yerolymos v Chihiro Muramatsu | 6-3,7-5 |
| ITF - Denain - Feminino | 2018/07/04 11:35 | Chihiro Muramatsu v Valeriya Strakhova | 1-6,4-6 |
| ITF - Denain - Qualificação - Feminino | 2018/07/02 08:00 | Chihiro Muramatsu v Anna Danilina | 4-6,2-6 |
| ITF - Denain - Qualificação - Feminino | 2018/07/01 14:30 | Chihiro Muramatsu v Maneva Rakotomalala | 6-2,6-3 |
| ITF - Perigueux - Feminino | 2018/06/26 09:15 | Moyuka Uchijima v Chihiro Muramatsu | 3-6,6-1,6-2 |
| ITF - Karuizawa - Feminino | 2018/05/22 01:00 | Chihiro Muramatsu v Shiho Akita | 6-2,6-4 |
| ITF - Kurume - Feminino | 2018/05/15 05:05 | Ivana Jorovic v Chihiro Muramatsu | 6-3,6-3 |
| ITF - Nonthaburi - Feminino | 2018/08/12 02:00 | Ching-Wen Hsu v Mana Ayukawa | 2-6,5-7 |
| ITF - Nonthaburi - Feminino | 2018/08/11 04:25 | Natcharee Teerachodjiranon v Mana Ayukawa | 0-6,3-6 |
| ITF - Jinan - Feminino | 2018/08/06 03:25 | Siqi Cao v Mana Ayukawa | 7-5,6-3 |
| ITF - Jinan - Feminino | 2018/08/05 07:30 | Mana Ayukawa v Kwan Yau Ng | 2-6,7-5,6-1 |
| ITF - Jacarta - Feminino | 2018/07/19 05:05 | Mana Ayukawa v Ho Ching Wu | 6-2,3-6,4-6 |
| ITF - Jacarta - Feminino | 2018/07/18 04:30 | Jiakang Li v Mana Ayukawa | 4-6,2-6 |
| ITF - Solo - Feminino | 2018/07/13 02:00 | Mana Ayukawa v Zhima Du | 3-6,4-6 |
| ITF - Solo - Feminino | 2018/07/12 03:00 | Mana Ayukawa v Ayaka Okuno | 6-0,4-6,6-3 |