Stadium: COURT A Round: 27 Ground: Synthetic outdoor
| ITF Women Osaka | 2018/04/12 01:00 | Shiho Akita v Momoko Kobori | 3-6,6-2,6-2 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/25 02:10 | Shiho Akita v Momoko Kobori | 7-5,6-3 |
| ITF Women Noto | 2016/09/03 03:50 | Shiho Akita v Momoko Kobori | 6-1,6-3 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/11 02:55 | Momoko Kobori v Mei Yamaguchi | 6-1,6-3 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/10 00:30 | Momoko Kobori v Hondo, Sakura | 7-5,6-1 |
| WTA Tokyo | 2018/09/15 09:00 | Magda Linette v Momoko Kobori | 7-6,6-3 |
| Hiroshima, Japon | 2018/09/09 08:15 | Amanda Anisimova v Momoko Kobori | 6-3,6-3 |
| ITF Women Nanao | 2018/08/29 06:05 | Momoko Kobori v Ushijima, Risa | 5-7,2-6 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/25 03:00 | Xiyu Wang v Momoko Kobori | 4-6,6-3,6-3 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/24 01:00 | Chihiro Muramatsu v Momoko Kobori | 2-6,3-6 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/23 00:30 | Kanako Morisaki v Momoko Kobori | 7-6,3-6,4-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/11 03:50 | Haruna Arakawa v Shiho Akita | 1-6,4-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/09 00:30 | Yudanov, Marina v Shiho Akita | 2-6,2-6 |
| ITF Women Nanao | 2018/08/30 03:00 | Jia-Jing Lu v Shiho Akita | 6-3,7-5 |
| ITF Women Nanao | 2018/08/29 06:40 | Shiho Akita v Sawayanagi, Riko | 6-7,6-1,7-5 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/22 00:30 | Shiho Akita v Ushijima, Risa | 2-6,2-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/13 02:00 | Michika Ozeki v Shiho Akita | 6-1,6-2 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/06 02:30 | Shiho Akita v Rutuja Bhosale | 6-4,1-6,6-2 |
| ITF Women Granby | 2018/07/24 22:25 | Astra Sharma v Shiho Akita | 7-6,6-1 |