Stadium: Court 4 Round: 25
| ITF Women Fukuoka | 2018/05/11 01:00 | Fujiwara, Rika v Arina Rodionova | 6-4,2-6,3-6 |
| ITF Women Fukuoka | 2018/05/10 01:00 | Eguchi, Misa v Fujiwara, Rika | 4-6,4-6 |
| ITF Women Fukuoka | 2018/05/09 02:00 | Fujiwara, Rika v Erina Hayashi | 6-4,6-4 |
| ITF Women Fukuoka Qual | 2018/05/08 01:00 | Fujiwara, Rika v Mai Hontama | 7-6,5-7,6-4 |
| ITF Women Fukuoka Qual | 2018/05/07 03:05 | Fujiwara, Rika v Hosonuma, Chisa | 7-5,6-4 |
| 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 | Myers, Abbie 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 Kurume Qual | 2018/05/15 01:00 | Chiang, Yuki Kristina v Matsumoto, Ari | 0-6,0-6 |
| ITF Women Kurume Qual | 2018/05/14 02:30 | Matsumoto, Ari v Takayama, Chihiro | 1-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/13 08:25 | Matsumoto, Ari v Itoyama, Nao | 6-0,6-0 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Matsumoto, Ari v Ueda, Ramu | 3-6,6-7 |
| ITF Women Kashiwa | 2018/04/03 03:10 | Zhang, Yuxuan v Matsumoto, Ari | 6-3,6-4 |
| Kofu, Singles W-WITF-JPN-02A | 2018/03/28 03:15 | Bianca Andreescu v Matsumoto, Ari | 6-0,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/08 07:30 | Bukta, Agnes v Matsumoto, Ari | 6-3,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/07 09:50 | Stamat, Vitalia v Matsumoto, Ari | 6-4,4-6,4-6 |