| ITF Women Fukuoka Qual | 2018/05/06 03:50 | Fujiwara, Rika v Kusano, Kyoka | 6-2,6-1 |
| ITF Women Gifu Qual | 2018/04/29 06:30 | 마이어스, 아비 v Fujiwara, Rika | 6-1,6-2 |
| ITF Women Gifu Qual | 2018/04/29 02:35 | Shimizu, Chinatsu v Fujiwara, Rika | 2-6,2-6 |
| ITF Women Osaka Qual | 2018/04/07 07:30 | Fujiwara, Rika v 나이토, 유키 | 4-6,1-6 |
| ITF Women Kashiwa Qual | 2018/04/01 02:00 | Fujiwara, Rika v 무라마츠, 치히로 | 6-4,0-6,3-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/25 02:30 | 마리노, 레베카 v Fujiwara, Rika | 6-2,6-1 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/24 03:00 | 미야모토, 아유미 v Fujiwara, Rika | 7-6,0-6,2-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/22 03:00 | Fujiwara, Rika v 김, 다빈 | 3-6,4-6 |
| ITF Women Fukuoka Qual | 2018/05/06 05:25 | 호소투마, 치사 v Miyahara, Mihoki | 6-1,7-6 |
| ITF Women Hammamet | 2018/04/18 10:25 | 호소투마, 치사 v de Bernardi, Clothilde | 7-6,3-6,1-6 |
| ITF Women Tunis Qual | 2018/04/08 08:30 | 본달, 안나 v 호소투마, 치사 | 6-2,6-2 |
| ITF Women Tunis Qual | 2018/04/07 11:00 | Damergi, Nour v 호소투마, 치사 | 0-6,0-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/21 08:20 | 호소투마, 치사 v 가토-몬티콘, 기울리아 | 1-6,0-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/19 01:00 | Kawasaki, Mitsumi v 호소투마, 치사 | 6-1,4-6,2-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/18 01:00 | Iwai, Mayu v 호소투마, 치사 | 6-7,2-6 |
| ITF Women Toyota Qual | 2018/03/11 03:30 | 호소투마, 치사 v 김, 나리 | 3-6,2-6 |