Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF Women Hamamatsu | 2018/10/17 05:30 | Ayumi Koshiishi v Miyabi Inoue | 2-6,2-6 |
| ITF Women Hamamatsu | 2018/10/15 03:40 | Ayumi Koshiishi v Karen Tsutsumi | 6-2,6-1 |
| ITF Women Hamamatsu | 2018/10/14 04:30 | Ayumi Koshiishi v Mayuka Aikawa | 6-3,6-2 |
| ITF Women Hamamatsu | 2018/10/14 00:00 | Ayumi Koshiishi v Yui Chikaraishi | 7-6,6-2 |
| ITF Women Makinohara | 2018/10/11 00:30 | Ayumi Koshiishi v Michika Ozeki | 2-6,0-6 |
| ITF Women Makinohara | 2018/10/09 00:30 | Ayumi Koshiishi v Kisa Yoshioka | 7-5,6-3 |
| ITF Women Nanao | 2018/08/30 03:00 | Ayumi Koshiishi v Ayano Shimizu | 5-7,3-6 |
| ITF Women Nanao | 2018/08/29 03:30 | Ayumi Koshiishi v Tori Kinard | 7-5,5-7,6-4 |
| ITF Women Toowoomba | 2018/10/10 05:40 | Ya-Hsuan Lee v Marianna Zakarlyuk | 6-0,6-4 |
| ITF Women Toowoomba | 2018/10/08 05:00 | Marianna Zakarlyuk v Monica Robinson | 6-3,6-4 |
| ITF Women Toowoomba | 2018/10/08 01:30 | Marianna Zakarlyuk v Beatrice Hetrel | 6-0,6-4 |
| ITF Women Brisbane | 2018/09/30 07:00 | Erin Routliffe v Marianna Zakarlyuk | 6-2,6-3 |
| ITF Women Brisbane | 2018/09/30 05:00 | Tayla Whitehouse v Marianna Zakarlyuk | 2-6,1-6 |
| ITF Women Darwin | 2018/09/26 00:30 | Marianna Zakarlyuk v Irina Ramialison | 2-6,7-6,2-6 |
| ITF Women Darwin | 2018/09/25 02:35 | Marianna Zakarlyuk v Maddison Inglis | 6-3,3-6,3-6 |
| ITF Women Darwin | 2018/09/24 02:15 | Marianna Zakarlyuk v Alexandra Osborne | 6-3,6-4 |