Stadium: Court 1 Round: 25 Ground: Synthetic outdoor
| ITF W25 Osaka | 2023/04/17 03:30 | Shiho Akita v Rio Tsuda | 7-5,6-3 |
| ITF W35 Makinohara | 2024/10/30 04:05 | Nagomi Higashitani v Rio Tsuda | 6-1,6-2 |
| ITF W35 Kyoto | 2024/09/17 04:05 | Rio Tsuda v Ikumi Yamazaki | 2-6,3-6 |
| ITF W35 Kyoto | 2024/09/16 01:00 | Riko Kikawada v Rio Tsuda | 4-6,4-6 |
| ITF W35 Kyoto | 2024/09/15 01:00 | Nalu Himeno v Rio Tsuda | 3-6,4-6 |
| UTR Pro Kawaguchi Women | 2024/08/24 01:00 | Yui Ohwaki v Rio Tsuda | 6-2,6-2 |
| UTR Pro Kawaguchi Women | 2024/08/22 04:41 | Yasmin Vavrova v Rio Tsuda | 2-6,5-7 |
| UTR Pro Kawaguchi Women | 2024/08/19 02:52 | Rio Wakayama v Rio Tsuda | 2-6,2-6 |
| UTR Pro Kawaguchi Women | 2024/06/22 10:24 | Rio Tsuda v Yura Nakagawa | 6-7,3-6 |
| ITF W35 Makinohara | 2024/11/01 00:20 | Ayano Shimizu v Shiho Akita | 6-4,6-4 |
| ITF W35 Makinohara | 2024/10/31 03:35 | Yuka Hosoki v Shiho Akita | 0-6,4-6 |
| ITF W35 Makinohara | 2024/10/30 00:45 | Ayumi Miyamoto v Shiho Akita | 3-6,1-6 |
| WTA Tokyo | 2024/10/19 04:05 | Shiho Akita v Kyoka Okamura | 4-6,0-6 |
| ITF W50 Jinan | 2024/08/29 03:35 | Shiho Akita v En Shuo Liang | 3-6,4-6 |
| ITF W50 Jinan | 2024/08/28 01:55 | Ruien Zhang v Shiho Akita | 7-6,2-6,1-6 |
| ITF W35 Kunshan | 2024/08/22 01:00 | Sarah Rebecca Sekulic v Shiho Akita | 6-2,6-3 |
| ITF W15 Sapporo | 2024/08/04 01:50 | Shiho Akita v Eunhye Lee | 3-6,7-6,6-1 |