| ITF Women Hamamatsu | 10/18 00:00 | 25 | Sakura Hosogi v Shiho Akita | Cancelled | |
| ITF Women Makinohara | 10/14 01:00 | 28 | Ayano Shimizu v Shiho Akita | 7-5,6-4 | |
| ITF Women Makinohara | 10/13 00:30 | 27 | [343] Shiho Akita v Chihiro Muramatsu [424] | 6-2,6-3 | |
| ITF Women Makinohara | 10/12 00:30 | 26 | Shiho Akita v Mai Hontama | 7-6,2-6,6-2 | |
| ITF Women Makinohara | 10/10 00:30 | 25 | [343] Shiho Akita v Ingrid Neel [359] | 6-2,6-2 | |
| ITF Women Hua Hin | 09/26 05:35 | 25 | [301] Shiho Akita v Peangtarn Plipuech [247] | 3-6,5-7 | |
| WTA Guangzhou Qual | 09/16 03:00 | 45 | [304] Shiho Akita v Jia-Jing Lu [254] | 3-6,1-6 | |
| ITF Women Guiyang | 09/14 02:00 | 26 | Yuxuan Zhang v Shiho Akita | 6-2,6-2 | |
| ITF Women Guiyang | 09/12 04:10 | 25 | Dan Ni Wang v Shiho Akita | 2-6,2-6 | |
| ITF Women Nanao | 08/30 01:00 | 25 | [404] Naiktha Bains v Shiho Akita [260] | 6-3,6-4 | |
| ITF Women Nanao Qual | 08/28 01:00 | 44 | Shiho Akita v Chinatsu Shimizu | 6-4,6-1 | |
| ITF Women Nanao Qual | 08/27 04:00 | 44 | Shiho Akita v Eimi Friant | 7-5,6-1 | |
| ITF Women Nonthaburi | 08/16 02:30 | 26 | [257] Shiho Akita v Karman Kaur Thandi [340] | 3-6,5-7 | |
| ITF Women Nonthaburi | 08/14 05:45 | 25 | [247] Shiho Akita v Sunam Jeong [421] | Retired | |
| WTA Nanchang Qual | 07/22 09:35 | 45 | [316] Harriet Dart v Shiho Akita [242] | Retired | |
| ITF Women Tianjin | 07/18 05:55 | 25 | [242] Shiho Akita v Miyabi Inoue [455] | 6-2,1-6,4-6 | |
| ITF Women Naiman | 07/11 02:00 | 25 | [306] Erika Sema v Shiho Akita [244] | 4-6,6-4,6-1 | |
| ITF Women Kurume | 05/16 01:00 | 25 | [239] Shiho Akita v Ayano Shimizu [332] | 7-5,6-7,3-6 | |
| ITF Women Gifu | 05/05 04:25 | 27 | [97] Kurumi Nara v Shiho Akita [233] | 6-1,6-3 | |
| ITF Women Gifu | 05/04 03:30 | 26 | [253] Jacqueline Cako v Shiho Akita [230] | 7-5,5-7,5-7 | |
| ITF Women Gifu | 05/02 01:00 | 25 | [230] Shiho Akita v Hiroko Kuwata [176] | 6-0,6-4 | |
| ITF Women Anning | 04/24 06:35 | 25 | [230] Shiho Akita v Arina Rodionova [198] | 4-6,1-6 | |
| WTA Zhengzhou | 04/20 05:55 | 26 | [242] Shiho Akita v Zarina Diyas [239] | 2-6,4-6 | |
| WTA Zhengzhou | 04/18 04:00 | 25 | [210] Mayo Hibi v Shiho Akita [242] | 2-6,4-6 | |
| WTA Zhengzhou Qual | 04/16 03:30 | - | [220] Jana Fett v Shiho Akita [237] | 6-2,5-7,1-5 | |
| ITF Women Nanning | 04/10 06:45 | 25 | [237] Shiho Akita v Hanyu Guo [354] | 3-6,3-6 | |
| ITF Women Kashiwa | 04/04 00:30 | 25 | Shiho Akita v Mai Minokoshi | 4-6,3-6 | |
| ITF Women Kofu | 03/30 01:00 | 26 | [382] Na Ri Kim v Shiho Akita [246] | 6-1,7-5 | |
| ITF Women Kofu | 03/29 01:00 | 25 | [246] Shiho Akita v Mana Ayukawa [425] | 6-3,6-3 | |
| ITF Women Nishi-Tama | 03/26 05:00 | 29 | Shiho Akita v Sarah-R Sekulic | 4-6,5-7 |