Stadium: Court 4 Round: 25
| ITF Women Fukuoka | 2018/05/11 01:00 | Rika Fujiwara v Arina Rodionova | 6-4,2-6,3-6 |
| ITF Women Fukuoka | 2018/05/10 01:00 | Misa Eguchi v Rika Fujiwara | 4-6,4-6 |
| ITF Women Fukuoka | 2018/05/09 02:00 | Rika Fujiwara v Erina Hayashi | 6-4,6-4 |
| 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 Kurume Qual | 2018/05/15 01:00 | Yuki Kristina Chiang v Ari Matsumoto | 0-6,0-6 |
| ITF Women Kurume Qual | 2018/05/14 02:30 | Ari Matsumoto v Chihiro Takayama | 1-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/13 08:25 | Ari Matsumoto v Nao Itoyama | 6-0,6-0 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Ari Matsumoto v Ramu Ueda | 3-6,6-7 |
| ITF Women Kashiwa | 2018/04/03 03:10 | Yuxuan Zhang v Ari Matsumoto | 6-3,6-4 |
| ITF Women Kofu | 2018/03/28 03:15 | Bianca Andreescu v Ari Matsumoto | 6-0,6-1 |
| ITF Women Antalya | 2018/03/08 07:30 | Agnes Bukta v Ari Matsumoto | 6-3,6-1 |
| ITF Women Antalya | 2018/03/07 09:50 | Vitalia Stamat v Ari Matsumoto | 6-4,4-6,4-6 |