Stadium: COURT C Round: 54 Ground: Synthetic outdoor
| Kofu, Singles W-WITF-JPN-02A | 2018/06/13 02:45 | Matsumoto, Ari v Chang, Kai-Chen | 2-6,6-7 |
| Karuizawa, Singles W-WITF-JPN-10A | 2018/05/24 02:40 | Inoue, Miyabi v Matsumoto, Ari | 6-4,6-2 |
| Karuizawa, Singles W-WITF-JPN-10A | 2018/05/22 02:35 | Hosonuma, Chisa v Matsumoto, Ari | 5-7,2-6 |
| ITF Women Karuizawa Qual | 2018/05/21 01:00 | Riley, Alexandra v Matsumoto, Ari | 0-6,4-6 |
| ITF Women Kurume | 2018/05/16 01:00 | Fujiwara, Rika v Matsumoto, Ari | 3-6,6-3,6-4 |
| ITF Women Kurume Qual | 2018/05/15 01:00 | Chiang, Yuki Kristina v Matsumoto, Ari | 0-6,0-6 |
| ITF Women Kurume Qual | 2018/05/14 02:30 | Matsumoto, Ari v Takayama, Chihiro | 1-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/13 08:25 | Matsumoto, Ari v Itoyama, Nao | 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 Mataruga, Ramona | 0-6,2-6 |
| ITF Women Singapore Qual | 2018/06/09 02:00 | Ueda, Ramu 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 |
| Karuizawa, Singles W-WITF-JPN-10A | 2018/05/22 02:15 | Nagi Hanatani v Yui Chikaraishi | 6-3,6-2 |
| ITF Women Karuizawa Qual | 2018/05/20 01:00 | Sano, Yuika v Yui Chikaraishi | 1-6,6-7 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/25 02:30 | Yui Chikaraishi v Shiho Akita | 1-6,1-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/17 01:00 | Yui Chikaraishi v Ishino, Aoi | 6-2,6-7,3-6 |