Stadium: Court 5 Round: 26 Ground: Synthetic outdoor
| ITF W25 Hamamatsu | 2022/10/12 04:05 | Rina Saigo v Kisa Yoshioka | 6-1,6-2 |
| ITF W25 Makinohara | 2022/10/04 00:25 | Saki Imamura v Rina Saigo | 6-2,6-0 |
| ITF W25 Nanao | 2022/10/01 01:00 | Rina Saigo v Haruka Kaji | 6-4,3-6,4-6 |
| ITF W25 Nanao | 2022/09/30 01:00 | Kyoka Okamura v Rina Saigo | 6-0,2-6,4-6 |
| ITF W25 Nanao | 2022/09/29 01:00 | Namigata, Junri v Rina Saigo | 7-5,2-6,2-6 |
| ITF W25 Nanao | 2022/09/27 00:55 | Rina Saigo v Haruna Arakawa | 6-2,6-1 |
| WTA Tokyo | 2022/09/19 09:55 | Petra Martic v Rina Saigo | 6-1,6-1 |
| WTA Tokyo | 2022/09/18 05:55 | Chihiro Muramatsu v Rina Saigo | 6-2,3-6,0-6 |
| ITF W25 Hamamatsu | 2022/10/11 01:00 | Mei Yamaguchi v Rio Tsuda | 6-1,6-2 |
| ITF W25 Tbilisi | 2022/05/31 13:00 | Ekaterina Ovcharenko v Mei Yamaguchi | 6-3,6-1 |
| ITF W25 Tbilisi | 2022/05/24 10:00 | Sukhotina, Anastasia v Mei Yamaguchi | 6-3,6-2 |
| ITF W25 Montemor-O-Novo | 2022/05/19 09:00 | Sarah Beth Grey v Mei Yamaguchi | 7-5,6-4 |
| ITF W25 Montemor-O-Novo | 2022/05/18 10:25 | Matilde Jorge v Mei Yamaguchi | 3-6,2-6 |
| ITF W25 Osijek | 2022/05/11 08:00 | Dominika Salkova v Mei Yamaguchi | 4-6,6-0,6-2 |
| ITF W25 Osijek | 2022/05/09 15:40 | Mei Yamaguchi v Katarina Kuzmova | 6-3,6-0 |
| ITF W25 Osijek | 2022/05/09 11:20 | Mei Yamaguchi v Faj, Lucia | 6-1,6-0 |