Stadium: Court 12 Round: 54 Ground: Hardcourt outdoor
| ITF Women Singapore Qual | 2018/06/09 02:00 | Ramu Ueda v Yui Chikaraishi | 6-3,6-0 |
| ITF Women Singapore Qual | 2018/06/03 03:25 | Aldila Sutjiadi v Yui Chikaraishi | 6-2,6-1 |
| ITF Women Karuizawa | 2018/05/22 02:15 | Nagi Hanatani v Yui Chikaraishi | 6-3,6-2 |
| ITF Women Karuizawa Qual | 2018/05/20 01:00 | Yuika Sano v Yui Chikaraishi | 1-6,6-7 |
| ITF Women Kofu Qual | 2018/03/25 02:30 | Yui Chikaraishi v Shiho Akita | 1-6,1-6 |
| ITF Women Nishi-Tama | 2018/03/17 01:00 | Yui Chikaraishi v Aoi Ishino | 6-2,6-7,3-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Mai Hontama v Yui Chikaraishi | 6-0,6-2 |
| ITF Women Makinohara Qual | 2017/10/08 05:00 | Yui Chikaraishi v Chinatsu Shimizu | 1-6,1-6 |
| ITF Women Hong Kong | 2018/07/07 03:00 | Ramona Mataruga v Wing Kiu Jacqueline Lam | 7-6,6-2 |
| ITF Women Hua Hin Qual | 2018/05/06 02:30 | Shuyue Ma v Ramona Mataruga | 6-1,6-2 |
| ITF Women Hua Hin Qual | 2018/05/05 02:30 | Ramona Mataruga v Natthapat Piwbangruk | 6-2,6-0 |
| ITF Women Canberra | 2018/03/27 00:50 | Michika Ozeki v Ramona Mataruga | 6-4,6-1 |
| ITF Women Canberra Qual | 2018/03/25 23:00 | Alexandra Walters v Ramona Mataruga | 4-6,2-6 |
| ITF Women Canberra Qual | 2018/03/24 23:00 | Ramona Mataruga v Miranda Poile | 6-0,6-2 |
| ITF Women Canberra Qual | 2018/03/24 01:00 | Ramona Mataruga v Natalie Barbir | 6-4,3-6,7-6 |