Stadium: Centre Court Round: 25
| ITF Women Kofu Qual | 2017/03/25 06:00 | Erina Hayashi v Rika Fujiwara | 6-7,7-5,1-6 |
| ITF Women Fukuoka Qual | 2018/05/08 01:00 | Rika Fujiwara v Mai Hontama | 7-6,5-7,6-4 |
| ITF Women Fukuoka Qual | 2018/05/07 03:05 | Rika Fujiwara v Chisa Hosonuma | 7-5,6-4 |
| 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 Fukuoka Qual | 2018/05/08 01:00 | Tara Moore v Erina Hayashi | 6-7,6-2,6-3 |
| ITF Women Fukuoka Qual | 2018/05/07 03:55 | Yukina Saigo v Erina Hayashi | 4-6,5-7 |
| ITF Women Fukuoka Qual | 2018/05/06 07:00 | Haruna Sakamoto v Erina Hayashi | 1-6,2-6 |
| ITF Women Gifu Qual | 2018/04/30 01:00 | Hiroko Kuwata v Erina Hayashi | 6-2,7-6 |
| ITF Women Gifu Qual | 2018/04/29 04:40 | Emily Webley-Smith v Erina Hayashi | 4-6,6-4,4-6 |
| ITF Women Gifu Qual | 2018/04/29 01:00 | Dabin Kim v Erina Hayashi | 6-7,3-6 |
| ITF Women Osaka Qual | 2018/04/09 02:25 | Erina Hayashi v Makoto Ninomiya | 6-1,6-7,2-6 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Erina Hayashi v Mai Hontama | 6-0,6-4 |