Round: 54 Ground: Hardcourt outdoor
| ITF Women Gyeongsan Qual | 2018/06/10 03:30 | Da Hye Kim v Sakura Hosogi | 6-4,6-2 |
| ITF Women Sangju Qual | 2018/06/04 02:00 | Ho Ching Wu v Sakura Hosogi | 6-2,6-1 |
| ITF Women Sangju Qual | 2018/06/03 01:00 | Nagisa Morimoto v Sakura Hosogi | 4-6,6-2,5-7 |
| ITF Women Changwon Qual | 2018/05/21 01:00 | Ji-Hee Choi v Sakura Hosogi | 6-4,6-3 |
| ITF Women Changwon Qual | 2018/05/20 01:00 | Sakura Hosogi v Sol Hee Sim | 7-5,6-0 |
| ITF Women Hua Hin Qual | 2018/05/07 03:20 | Sakura Hosogi v Aunchisa Chanta | 7-5,3-6,2-6 |
| ITF Women Hua Hin Qual | 2018/05/06 04:00 | Zi Yi Wang v Sakura Hosogi | 4-6,1-6 |
| ITF Women Hua Hin Qual | 2018/05/05 02:30 | Niditra Rajmohan v Sakura Hosogi | 1-6,2-6 |