Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF Women Hua Hin Qual | 2018/05/06 02:30 | I-Hsuan Cho v Ai Kamiyoshihara | 3-6,6-7 |
| ITF Women Hua Hin Qual | 2018/05/05 02:30 | Avika Sagwal v Ai Kamiyoshihara | 4-6,5-7 |
| ITF Women Hua Hin Qual | 2018/04/29 06:00 | Yi Tsen Cho v Ai Kamiyoshihara | 2-6,6-1,6-3 |
| ITF Women Nishi-Tama | 2018/03/17 01:00 | Ai Kamiyoshihara v Satoko Sueno | 2-6,0-6 |
| ITF Women Antalya | 2018/02/03 06:30 | Giulia Crescenzi v Ai Kamiyoshihara | 6-3,6-2 |
| ITF Women Antalya | 2018/01/29 08:00 | Giulia Crescenzi v Ai Kamiyoshihara | 6-3,6-1 |
| ITF Women Antalya | 2018/01/28 08:30 | Ai Kamiyoshihara v Alana Tuayeva | 7-6,6-4 |
| ITF Women Antalya | 2018/01/27 09:00 | Maria Carla D'Annunzio v Ai Kamiyoshihara | 0-6,2-6 |
| ITF Women Hua Hin Qual | 2018/05/06 02:30 | Maree Teiwa Casey v Claudia Williams | 3-6,6-3,6-4 |
| ITF Women Hua Hin Qual | 2018/05/05 02:30 | Radhika Yadav v Maree Teiwa Casey | 2-6,5-7 |
| ITF Women Hua Hin Qual | 2018/04/29 05:00 | Supapitch Kuearum v Maree Teiwa Casey | 6-3,6-4 |
| ITF Women Canberra Qual | 2018/03/25 00:00 | Angelique Svinos v Maree Teiwa Casey | 6-3,6-4 |
| ITF Women Canberra Qual | 2018/03/24 01:00 | Sarah Prescott v Maree Teiwa Casey | 0-6,1-6 |
| ITF Women Canberra Qual | 2018/03/17 23:00 | Pia Konig v Maree Teiwa Casey | 6-4,6-3 |
| ITF Women Canberra Qual | 2018/03/17 00:35 | Maree Teiwa Casey v Anastasia Berezov | 4-6,6-3,6-3 |
| ITF Women Mildura | 2018/03/06 03:40 | Ivana Popovic v Maree Teiwa Casey | 6-2,6-3 |