Stadium: Court 14 Round: 28 Ground: Synthetic outdoor
| ITF Women Karuizawa | 2018/05/25 01:00 | Kanako Morisaki v Momoko Kobori | 2-6,6-7 |
| ITF Women Karuizawa | 2018/05/24 04:45 | Caroline Werner v Momoko Kobori | 2-6,4-6 |
| ITF Women Karuizawa | 2018/05/22 01:00 | Ran Miyachi v Momoko Kobori | 2-6,0-6 |
| ITF Women Kurume | 2018/05/15 04:05 | Misa Eguchi v Momoko Kobori | 2-6,6-3,6-0 |
| ITF Women Fukuoka | 2018/05/12 04:20 | Katie Boulter v Momoko Kobori | 6-1,6-4 |
| ITF Women Fukuoka | 2018/05/11 03:35 | Momoko Kobori v Ivana Jorovic | 3-6,7-5,6-2 |
| ITF Women Fukuoka | 2018/05/10 01:00 | Su Jeong Jang v Momoko Kobori | 6-7,4-6 |
| ITF Women Fukuoka | 2018/05/08 05:25 | Momoko Kobori v Naho Sato | 6-3,2-6,6-1 |
| ITF Women Karuizawa | 2018/05/25 01:00 | Tammi Patterson v Asia Muhammad | 6-4,1-6,6-2 |
| ITF Women Karuizawa | 2018/05/24 02:15 | Tammi Patterson v Nagi Hanatani | 6-3,6-3 |
| ITF Women Karuizawa | 2018/05/22 01:00 | Tammi Patterson v Aiko Yoshitomi | 6-4,6-4 |
| ITF Women Kurume | 2018/05/18 04:45 | Tammi Patterson v Abbie Myers | 3-6,6-2,4-6 |
| ITF Women Kurume | 2018/05/17 01:00 | Tammi Patterson v Olivia Tjandramulia | 5-7,6-4,6-4 |
| ITF Women Fukuoka | 2018/05/10 01:00 | Tammi Patterson v Katie Boulter | 3-6,1-6 |
| ITF Women Fukuoka | 2018/05/08 03:25 | Haruka Kaji v Tammi Patterson | 6-7,3-6 |
| ITF Women Gifu Qual | 2018/04/30 01:00 | Tammi Patterson v Abbie Myers | 4-6,6-4,6-7 |