Stadium: Court 3 Round: 28 Ground: Synthetic outdoor
| ITF - W15 Antalya | 2022/03/30 07:00 | Rina Saigo v Ikumi Yamazaki | 6-1,7-5 |
| ITF W25 Hamamatsu | 2022/10/14 02:25 | Ayano Shimizu v Ikumi Yamazaki | 4-6,4-6 |
| ITF W25 Hamamatsu | 2022/10/13 04:30 | Honoka Kobayashi v Ikumi Yamazaki | 3-6,3-6 |
| ITF W25 Hamamatsu | 2022/10/12 01:00 | Ikumi Yamazaki v Momoko Kobori | 1-6,7-5,6-3 |
| ITF W25 Makinohara | 2022/10/09 01:00 | Ikumi Yamazaki v Hayu Kinoshita | 7-5,6-4 |
| ITF W25 Makinohara | 2022/10/08 05:00 | Ikumi Yamazaki v Sara Saito | 6-4,6-3 |
| ITF W25 Makinohara | 2022/10/08 01:00 | Natsumi Kawaguchi v Ikumi Yamazaki | 4-6,1-6 |
| ITF W25 Makinohara | 2022/10/06 09:45 | Ikumi Yamazaki v Hozumi, Eri | 6-1,6-1 |
| ITF W25 Makinohara | 2022/10/03 04:40 | Ikumi Yamazaki v Meng Yi Chen | 3-6,6-3,10-4 |
| ITF W25 Hamamatsu | 2022/10/14 04:40 | Rina Saigo v Sakura Hosogi | 2-6,6-4,7-6 |
| ITF W25 Hamamatsu | 2022/10/13 01:00 | Rina Saigo v Mei Yamaguchi | 4-6,6-4,6-2 |
| 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 |