Stadium: Court 11 Round: 28 Ground: Hardcourt outdoor
| ITF Women Hong Kong | 2018/07/12 02:00 | Michaela Haet v Sakura Hosogi | 7-5,3-6,6-7 |
| ITF Women Hong Kong | 2018/07/11 04:20 | Kwan Yau Ng v Sakura Hosogi | 6-7,3-6 |
| ITF Women Hong Kong | 2018/07/09 07:10 | Sakura Hosogi v Kanika Vaidya | 6-4,6-4 |
| ITF Women Hong Kong | 2018/07/08 02:00 | Alicia Yue v Sakura Hosogi | 2-6,0-6 |
| ITF Women Hong Kong | 2018/07/07 02:00 | Zixuan Zeng v Sakura Hosogi | 3-6,3-6 |
| 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 Hong Kong | 2018/07/12 02:00 | Ayumi Koshiishi v Zeel Desai | 7-5,6-1 |
| ITF Women Hong Kong | 2018/07/11 02:00 | Ayumi Koshiishi v Prerna Bhambri | 6-2,6-2 |
| ITF Women Hong Kong | 2018/07/10 03:50 | Ayumi Koshiishi v Haine Ogata | 6-1,6-4 |
| ITF Women Singapore Qual | 2018/06/10 02:00 | Deria Nur Haliza v Ayumi Koshiishi | 1-6,6-4,6-3 |
| ITF Women Singapore | 2018/06/04 02:00 | Ayumi Koshiishi v Hiroko Kuwata | 6-7,7-6,4-6 |
| ITF Women Singapore Qual | 2018/06/03 03:20 | Ayumi Koshiishi v Khee Yen Wee | 6-3,6-1 |
| ITF Women Singapore Qual | 2018/06/02 04:00 | Ayumi Koshiishi v Sarah Pang | 6-0,6-0 |
| ITF Women Changwon | 2018/05/24 02:40 | Ayumi Koshiishi v Ya-Hsuan Lee | 4-6,3-6 |