Stadium: COURT C Round: 25 Ground: Synthetic outdoor
| ITF W25 Makinohara | 2022/10/03 04:40 | Ikumi Yamazaki v Meng Yi Chen | 3-6,6-3,10-4 |
| ITF W25 Makinohara | 2022/10/03 00:50 | Ikumi Yamazaki v Mai Fujimoto | 6-2,6-2 |
| ITF W25 Nanao | 2022/09/27 01:00 | Ikumi Yamazaki v Sakura Hosogi | 1-6,1-6 |
| ITF W25 Nanao | 2022/09/26 01:00 | Ikumi Yamazaki v Rinon Okuwaki | 6-4,6-2 |
| ITF W25 Nanao | 2022/09/25 02:00 | Ikumi Yamazaki v Sera Nishimoto | 6-4,6-4 |
| ITF W25 Gurugram | 2022/06/30 04:00 | Ikumi Yamazaki v Viktoria Morvayova | 3-6,6-3,1-6 |
| ITF W25 Gurugram | 2022/06/29 03:30 | Momoko Kobori v Ikumi Yamazaki | 3-6,2-6 |
| ITF W25 Gurugram | 2022/06/28 05:45 | Himaanshika Singh v Ikumi Yamazaki | 4-6,0-6 |
| ITF W25 Nanao | 2022/09/27 02:40 | Riko Sawayanagi v Haruka Kaji | 1-6,4-6 |
| ITF W15 Yeongwol | 2022/09/08 01:00 | Riko Sawayanagi v Junri Namigata | 2-6,6-3,4-6 |
| ITF W15 Yeongwol | 2022/09/07 02:10 | Gyeong Seo Lee v Riko Sawayanagi | 3-6,6-7 |
| ITF W15 Yeongwol | 2022/09/01 00:55 | Dabin Kim v Riko Sawayanagi | 3-6,7-5,6-4 |
| ITF W15 Yeongwol | 2022/08/30 03:00 | Riko Sawayanagi v Haram Kim | 6-0,6-2 |
| ITF W25 Goyang | 2022/08/25 06:40 | Punnin Kovapitukted v Riko Sawayanagi | 6-4,6-2 |
| ITF W25 Goyang | 2022/08/23 02:30 | Subin Park v Riko Sawayanagi | 4-6,1-6 |
| ITF W15 Chiang Rai | 2022/06/16 04:40 | Riko Sawayanagi v Fang Ying Xun | 3-6,3-6 |