Stadium: COURT C Round: 54 Ground: Synthetic outdoor
| ITF Women Kofu | 2018/06/13 02:45 | Ari Matsumoto v Kai-Chen Chang | 2-6,6-7 |
| ITF Women Karuizawa | 2018/05/24 02:40 | Miyabi Inoue v Ari Matsumoto | 6-4,6-2 |
| ITF Women Karuizawa | 2018/05/22 02:35 | Chisa Hosonuma v Ari Matsumoto | 5-7,2-6 |
| ITF Women Karuizawa Qual | 2018/05/21 01:00 | Alexandra Riley v Ari Matsumoto | 0-6,4-6 |
| ITF Women Kurume | 2018/05/16 01:00 | Rika Fujiwara v Ari Matsumoto | 3-6,6-3,6-4 |
| ITF Women Kurume Qual | 2018/05/15 01:00 | Yuki Kristina Chiang v Ari Matsumoto | 0-6,0-6 |
| ITF Women Kurume Qual | 2018/05/14 02:30 | Ari Matsumoto v Chihiro Takayama | 1-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/13 08:25 | Ari Matsumoto v Nao Itoyama | 6-0,6-0 |
| ITF Women Kyoto | 2018/09/03 01:00 | Yui Chikaraishi v Anri Nagata | 4-6,1-6 |
| ITF Women Hong Kong | 2018/07/08 02:00 | Yui Chikaraishi v Ramona Mataruga | 0-6,2-6 |
| 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 |