Stadium: Court C Round: 54
| ITF Women Gimcheon | 2018/08/15 03:00 | Hong, Seung-Yeon v Kamiyoshihara, Ai | 6-3,6-0 |
| ITF Women Gimcheon | 2018/08/12 01:00 | Jeong, Jooyeon v Kamiyoshihara, Ai | 0-6,0-6 |
| ITF Women Taipei | 2018/07/22 02:00 | Yi Tsen Cho v Kamiyoshihara, Ai | 6-1,6-3 |
| ITF Women Jakarta | 2018/07/14 06:00 | Kamiyoshihara, Ai v Kalva, Bhuvana | 3-6,4-6 |
| ITF Women Sangju Qual | 2018/06/04 05:00 | Kim, Sung Hee v Kamiyoshihara, Ai | 6-3,6-3 |
| ITF Women Hua Hin Qual | 2018/05/07 02:30 | Kamiyoshihara, Ai v Casey, Maree | 4-6,2-6 |
| ITF Women Hua Hin Qual | 2018/05/06 02:30 | I-Hsuan Cho v Kamiyoshihara, Ai | 3-6,6-7 |
| ITF Women Hua Hin Qual | 2018/05/05 02:30 | Sagwal, Avika v Kamiyoshihara, Ai | 4-6,5-7 |
| ITF Women Kyoto | 2018/09/02 01:00 | Kanami Tsuji v Friant, Eimi | 6-2,6-7,3-6 |
| ITF Women Nanao | 2018/08/26 01:00 | Friant, Eimi v Furuya, Michiru | 1-6,5-7 |
| ITF Women Taipei | 2018/07/23 03:00 | Ashmitha Easwaramurthi v Friant, Eimi | 7-5,6-1 |
| ITF Women Taipei | 2018/07/22 05:30 | Gimla, Vivien v Friant, Eimi | 0-6,1-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/10 01:30 | Friant, Eimi v Shiori Fukuda | 1-6,0-6 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Shiho Akita v Friant, Eimi | 6-2,6-2 |
| ITF Women Osaka Qual | 2018/04/07 01:30 | Chan, Chin-Wei v Friant, Eimi | 3-6,4-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/24 00:30 | Friant, Eimi v Yoshitomi, Aiko | 1-6,2-6 |