Stadium: Court 3 Round: 54
| ITF Women Fukuoka Qual | 2018/05/06 03:50 | Rika Fujiwara v Kyoka Kusano | 6-2,6-1 |
| ITF Women Gifu Qual | 2018/04/29 06:30 | Abbie Myers v Rika Fujiwara | 6-1,6-2 |
| ITF Women Gifu Qual | 2018/04/29 02:35 | Chinatsu Shimizu v Rika Fujiwara | 2-6,2-6 |
| ITF Women Osaka Qual | 2018/04/07 07:30 | Rika Fujiwara v Yuki Naito | 4-6,1-6 |
| ITF Women Kashiwa Qual | 2018/04/01 02:00 | Rika Fujiwara v Chihiro Muramatsu | 6-4,0-6,3-6 |
| ITF Women Kofu Qual | 2018/03/25 02:30 | Rebecca Marino v Rika Fujiwara | 6-2,6-1 |
| ITF Women Kofu Qual | 2018/03/24 03:00 | Ayumi Miyamoto v Rika Fujiwara | 7-6,0-6,2-6 |
| ITF Women Nishi-Tama | 2018/03/22 03:00 | Rika Fujiwara v Dabin Kim | 3-6,4-6 |
| ITF Women Fukuoka Qual | 2018/05/06 05:25 | Chisa Hosonuma v Mihoki Miyahara | 6-1,7-6 |
| ITF Women Hammamet | 2018/04/18 10:25 | Chisa Hosonuma v Clothilde De Bernardi | 7-6,3-6,1-6 |
| ITF Women Tunis Qual | 2018/04/08 08:30 | Anna Bondar v Chisa Hosonuma | 6-2,6-2 |
| ITF Women Tunis Qual | 2018/04/07 11:00 | Nour Damergi v Chisa Hosonuma | 0-6,0-6 |
| ITF Women Nishi-Tama | 2018/03/21 08:20 | Chisa Hosonuma v Giulia Gatto Monticone | 1-6,0-6 |
| ITF Women Nishi-Tama | 2018/03/19 01:00 | Mitsumi Kawasaki v Chisa Hosonuma | 6-1,4-6,2-6 |
| ITF Women Nishi-Tama | 2018/03/18 01:00 | Mayu Iwai v Chisa Hosonuma | 6-7,2-6 |
| ITF Women Toyota Qual | 2018/03/11 03:30 | Chisa Hosonuma v Na Ri Kim | 3-6,2-6 |